# Electronic Supplementary Material (ESI) for ChemComm.
# This journal is © The Royal Society of Chemistry 2014

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#
#                 Cambridge Crystallographic Data Centre
#                                CCDC 
# 
#######################################################################
# 
#  This CIF contains data from an original supplementary publication
#  deposited with the CCDC, and may include chemical, crystal,
#  experimental, refinement, atomic coordinates,
#  anisotropic displacement parameters and molecular geometry data,
#  as required by the journal to which it was submitted.
#
#  This CIF is provided on the understanding that it is used for bona
#  fide research purposes only. It may contain copyright material
#  of the CCDC or of third parties, and may not be copied or further
#  disseminated in any form, whether machine-readable or not,
#  except for the purpose of generating routine backup copies
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#  data retrieval see:
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#  from this site to visualise CIF-encoded structures and 
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data_liu70s

_audit_creation_method           SHELXL-97
_chemical_name_systematic        
; 
 ? 
;
_chemical_absolute_configuration unk
_chemical_name_common            ?
_chemical_melting_point          ?
_chemical_formula_moiety         'C17 H18 N2 O4'
_chemical_formula_sum            'C17 H18 N2 O4'
_chemical_formula_weight         314.33

loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0033 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
H H 0.0000 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
N N 0.0061 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0106 0.0000 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'

_symmetry_cell_setting           Triclinic
_symmetry_space_group_name_H-M   P1

loop_
_symmetry_equiv_pos_as_xyz
'x, y, z'

_cell_length_a                   7.1797(6)
_cell_length_b                   9.6308(10)
_cell_length_c                   11.5304(12)
_cell_angle_alpha                103.804(3)
_cell_angle_beta                 93.978(3)
_cell_angle_gamma                95.999(5)
_cell_volume                     766.34(13)
_cell_formula_units_Z            2
_cell_measurement_temperature    103(2)
_cell_measurement_reflns_used    2565
_cell_measurement_theta_min      3.19
_cell_measurement_theta_max      27.58

_exptl_crystal_description       block
_exptl_crystal_colour            colourless
_exptl_crystal_size_max          0.40
_exptl_crystal_size_mid          0.20
_exptl_crystal_size_min          0.10
_exptl_crystal_density_meas      ?
_exptl_crystal_density_diffrn    1.362
_exptl_crystal_density_method    'not measured'
_exptl_crystal_F_000             332
_exptl_absorpt_coefficient_mu    0.098
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_correction_T_min  0.9618
_exptl_absorpt_correction_T_max  0.9903
_exptl_absorpt_process_details   sadabs

_exptl_special_details           
; 
 ? 
;

_diffrn_ambient_temperature      103(2)
_diffrn_radiation_wavelength     0.71073
_diffrn_radiation_type           MoK\a
_diffrn_radiation_source         'fine-focus sealed tube'
_diffrn_radiation_monochromator  graphite
_diffrn_measurement_device_type  'Bruker APEX-II CCD'
_diffrn_measurement_method       'φ and ω scans'
_diffrn_detector_area_resol_mean ?
_diffrn_reflns_number            9961
_diffrn_reflns_av_R_equivalents  0.0307
_diffrn_reflns_av_sigmaI/netI    0.0507
_diffrn_reflns_limit_h_min       -9
_diffrn_reflns_limit_h_max       9
_diffrn_reflns_limit_k_min       -13
_diffrn_reflns_limit_k_max       13
_diffrn_reflns_limit_l_min       -15
_diffrn_reflns_limit_l_max       15
_diffrn_reflns_theta_min         1.83
_diffrn_reflns_theta_max         29.54
_reflns_number_total             4224
_reflns_number_gt                3606
_reflns_threshold_expression     >2sigma(I)

_computing_data_collection       'Bruker APEX2'
_computing_cell_refinement       'Bruker SAINT'
_computing_data_reduction        'Bruker SAINT'
_computing_structure_solution    'SHELXS-97 (Sheldrick, 2008)'
_computing_structure_refinement  'SHELXL-97 (Sheldrick, 2008)'
_computing_molecular_graphics    'Bruker SHELXTL'
_computing_publication_material  'Bruker SHELXTL'

_refine_special_details          
; 
 Refinement of F² against ALL reflections.  The weighted R-factor wR and 
 goodness of fit S are based on F², conventional R-factors R are based 
 on F, with F set to zero for negative F². The threshold expression of 
 F² > 2sigma(F²) is used only for calculating R-factors(gt) etc. and is 
 not relevant to the choice of reflections for refinement.  R-factors based 
 on F² are statistically about twice as large as those based on F, and R- 
 factors based on ALL data will be even larger. 
;

_refine_ls_structure_factor_coef Fsqd
_refine_ls_matrix_type           full
_refine_ls_weighting_scheme      calc
_refine_ls_weighting_details     
'calc w=1/[σ²(Fo²)+(0.0716P)²+0.0000P] where P=(Fo²+2Fc²)/3'
_atom_sites_solution_primary     direct
_atom_sites_solution_secondary   difmap
_atom_sites_solution_hydrogens   geom
_refine_ls_hydrogen_treatment    constr
_refine_ls_extinction_method     none
_refine_ls_extinction_coef       ?
_refine_ls_number_reflns         4224
_refine_ls_number_parameters     417
_refine_ls_number_restraints     3
_refine_ls_R_factor_all          0.0552
_refine_ls_R_factor_gt           0.0434
_refine_ls_wR_factor_ref         0.1221
_refine_ls_wR_factor_gt          0.1017
_refine_ls_goodness_of_fit_ref   1.060
_refine_ls_restrained_S_all      1.060
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000

loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
_atom_site_adp_type
_atom_site_occupancy
_atom_site_symmetry_multiplicity
_atom_site_calc_flag
_atom_site_refinement_flags
_atom_site_disorder_assembly
_atom_site_disorder_group
C1 C 1.0690(4) 0.5989(3) 1.1001(3) 0.0185(6) Uani 1 1 d . . .
H1 H 1.0801 0.5376 1.0237 0.022 Uiso 1 1 calc R . .
C2 C 1.1323(4) 0.7290(3) 1.2796(3) 0.0211(6) Uani 1 1 d . . .
H2 H 1.1998 0.7770 1.3547 0.025 Uiso 1 1 calc R . .
C3 C 0.9460(4) 0.7338(3) 1.2503(3) 0.0172(5) Uani 1 1 d . . .
H3 H 0.8613 0.7843 1.2991 0.021 Uiso 1 1 calc R . .
C4 C 0.7243(4) 0.6177(3) 1.0649(2) 0.0149(5) Uani 1 1 d . . .
H4 H 0.6461 0.6956 1.0970 0.018 Uiso 1 1 calc R . .
C5 C 0.7449(4) 0.6118(3) 0.9351(2) 0.0150(5) Uani 1 1 d . . .
H5 H 0.8175 0.6898 0.9155 0.018 Uiso 1 1 calc R . .
C6 C 0.6658(4) 0.5019(3) 0.8467(3) 0.0158(5) Uani 1 1 d . . .
H6 H 0.6806 0.5021 0.7655 0.019 Uiso 1 1 calc R . .
C7 C 0.5532(3) 0.3778(3) 0.8763(2) 0.0136(5) Uani 1 1 d . . .
H7 H 0.6339 0.2999 0.8790 0.016 Uiso 1 1 calc R . .
C8 C 0.4809(3) 0.4300(3) 0.9979(2) 0.0136(5) Uani 1 1 d . . .
H8 H 0.4009 0.5082 0.9947 0.016 Uiso 1 1 calc R . .
C9 C 0.3651(4) 0.3063(3) 1.0286(2) 0.0167(6) Uani 1 1 d . . .
H9A H 0.4433 0.2290 1.0343 0.020 Uiso 1 1 calc R . .
H9B H 0.3132 0.3393 1.1064 0.020 Uiso 1 1 calc R . .
C10 C 0.2846(4) 0.2068(3) 0.8205(2) 0.0147(5) Uani 1 1 d . . .
H10 H 0.3649 0.1288 0.8239 0.018 Uiso 1 1 calc R . .
C11 C 0.1234(3) 0.1493(3) 0.7241(2) 0.0142(5) Uani 1 1 d . . .
C12 C 0.1236(4) 0.0149(3) 0.6452(2) 0.0179(6) Uani 1 1 d . . .
H12 H 0.2233 -0.0404 0.6542 0.022 Uiso 1 1 calc R . .
C13 C -0.0199(4) -0.0388(3) 0.5536(3) 0.0194(6) Uani 1 1 d . . .
H13 H -0.0201 -0.1318 0.5018 0.023 Uiso 1 1 calc R . .
C14 C -0.1638(4) 0.0432(3) 0.5374(3) 0.0172(5) Uani 1 1 d . . .
C15 C -0.1660(4) 0.1779(3) 0.6153(3) 0.0184(6) Uani 1 1 d . . .
H15 H -0.2646 0.2340 0.6053 0.022 Uiso 1 1 calc R . .
C16 C -0.0218(4) 0.2297(3) 0.7081(3) 0.0182(6) Uani 1 1 d . . .
H16 H -0.0230 0.3215 0.7614 0.022 Uiso 1 1 calc R . .
C17 C -0.4456(4) 0.0608(4) 0.4203(3) 0.0275(7) Uani 1 1 d . . .
H17A H -0.5212 0.0761 0.4888 0.041 Uiso 1 1 calc R . .
H17B H -0.5253 0.0070 0.3478 0.041 Uiso 1 1 calc R . .
H17C H -0.3930 0.1543 0.4091 0.041 Uiso 1 1 calc R . .
C18 C 1.4452(4) 0.4094(3) 0.5419(2) 0.0177(6) Uani 1 1 d . . .
H18 H 1.4199 0.3546 0.5986 0.021 Uiso 1 1 calc R . .
C19 C 1.5770(4) 0.5559(3) 0.4510(2) 0.0190(6) Uani 1 1 d . . .
H19 H 1.6659 0.6257 0.4325 0.023 Uiso 1 1 calc R . .
C20 C 1.4119(4) 0.4972(3) 0.3831(3) 0.0197(6) Uani 1 1 d . . .
H20 H 1.3652 0.5171 0.3104 0.024 Uiso 1 1 calc R . .
C21 C 1.1583(4) 0.3019(3) 0.4009(3) 0.0176(6) Uani 1 1 d . . .
H21 H 1.1334 0.2478 0.4635 0.021 Uiso 1 1 calc R . .
C22 C 0.9876(4) 0.3744(3) 0.3788(3) 0.0189(6) Uani 1 1 d . . .
H22 H 0.9588 0.4510 0.4411 0.023 Uiso 1 1 calc R . .
C23 C 0.8758(4) 0.3371(3) 0.2773(3) 0.0191(6) Uani 1 1 d . . .
H23 H 0.7655 0.3820 0.2694 0.023 Uiso 1 1 calc R . .
C24 C 0.9250(3) 0.2238(3) 0.1753(2) 0.0143(5) Uani 1 1 d . . .
H24 H 1.0045 0.2705 0.1239 0.017 Uiso 1 1 calc R . .
C25 C 1.0370(4) 0.1216(3) 0.2258(3) 0.0158(5) Uani 1 1 d . . .
H25 H 0.9588 0.0732 0.2768 0.019 Uiso 1 1 calc R . .
C26 C 1.0935(3) 0.0098(3) 0.1219(2) 0.0157(5) Uani 1 1 d . . .
H26A H 1.1801 0.0567 0.0754 0.019 Uiso 1 1 calc R . .
H26B H 1.1586 -0.0621 0.1522 0.019 Uiso 1 1 calc R . .
C27 C 0.8239(3) 0.0419(3) 0.0055(2) 0.0133(5) Uani 1 1 d . . .
H27 H 0.9065 0.0958 -0.0396 0.016 Uiso 1 1 calc R . .
C28 C 0.6592(3) -0.0428(3) -0.0774(2) 0.0135(5) Uani 1 1 d . . .
C29 C 0.4966(4) -0.0940(3) -0.0341(3) 0.0157(5) Uani 1 1 d . . .
H29 H 0.4848 -0.0691 0.0497 0.019 Uiso 1 1 calc R . .
C30 C 0.3505(4) -0.1815(3) -0.1123(3) 0.0172(6) Uani 1 1 d . . .
H30 H 0.2390 -0.2150 -0.0823 0.021 Uiso 1 1 calc R . .
C31 C 0.3695(4) -0.2192(3) -0.2347(3) 0.0162(6) Uani 1 1 d . . .
C32 C 0.5317(4) -0.1675(3) -0.2791(2) 0.0170(5) Uani 1 1 d . . .
H32 H 0.5440 -0.1928 -0.3628 0.020 Uiso 1 1 calc R . .
C33 C 0.6747(4) -0.0792(3) -0.2007(3) 0.0163(5) Uani 1 1 d . . .
H33 H 0.7843 -0.0430 -0.2311 0.020 Uiso 1 1 calc R . .
C34 C 0.0641(4) -0.3521(4) -0.2789(3) 0.0274(7) Uani 1 1 d . . .
H34A H 0.0901 -0.4112 -0.2227 0.041 Uiso 1 1 calc R . .
H34B H -0.0211 -0.4098 -0.3475 0.041 Uiso 1 1 calc R . .
H34C H 0.0050 -0.2689 -0.2383 0.041 Uiso 1 1 calc R . .
N1 N 0.9070(3) 0.6495(2) 1.1345(2) 0.0149(5) Uani 1 1 d . . .
N2 N 1.2089(3) 0.6448(3) 1.1850(2) 0.0235(6) Uani 1 1 d . . .
N3 N 1.3271(3) 0.4027(2) 0.4424(2) 0.0164(5) Uani 1 1 d . . .
N4 N 1.5979(3) 0.5005(3) 0.5502(2) 0.0197(5) Uani 1 1 d . . .
O1 O 0.6389(2) 0.4858(2) 1.08403(17) 0.0155(4) Uani 1 1 d . . .
O2 O 0.3926(2) 0.3222(2) 0.78871(16) 0.0150(4) Uani 1 1 d . . .
O3 O 0.2148(2) 0.2540(2) 0.93327(17) 0.0175(4) Uani 1 1 d . . .
O4 O -0.2953(3) -0.0195(2) 0.44266(19) 0.0243(5) Uani 1 1 d . . .
O5 O 1.2026(2) 0.2024(2) 0.29561(17) 0.0176(4) Uani 1 1 d . . .
O6 O 0.7615(2) 0.1407(2) 0.10297(17) 0.0148(4) Uani 1 1 d . . .
O7 O 0.9257(2) -0.0590(2) 0.04746(17) 0.0158(4) Uani 1 1 d . . .
O8 O 0.2355(3) -0.3033(2) -0.31980(18) 0.0215(5) Uani 1 1 d . . .


_geom_special_details            
; 
 All esds (except the esd in the dihedral angle between two l.s. planes) 
 are estimated using the full covariance matrix.  The cell esds are taken 
 into account individually in the estimation of esds in distances, angles 
 and torsion angles; correlations between esds in cell parameters are only 
 used when they are defined by crystal symmetry.  An approximate (isotropic) 
 treatment of cell esds is used for estimating esds involving l.s. planes. 
;

loop_
_geom_bond_atom_site_label_1
_geom_bond_atom_site_label_2
_geom_bond_distance
_geom_bond_site_symmetry_2
_geom_bond_publ_flag
C1 N2 1.314(4) . ?
C1 N1 1.356(4) . ?
C1 H1 0.9500 . ?
C2 C3 1.365(4) . ?
C2 N2 1.381(4) . ?
C2 H2 0.9500 . ?
C3 N1 1.379(4) . ?
C3 H3 0.9500 . ?
C4 O1 1.424(3) . ?
C4 N1 1.453(3) . ?
C4 C5 1.503(4) . ?
C4 H4 1.0000 . ?
C5 C6 1.327(4) . ?
C5 H5 0.9500 . ?
C6 C7 1.493(4) . ?
C6 H6 0.9500 . ?
C7 O2 1.445(3) . ?
C7 C8 1.518(4) . ?
C7 H7 1.0000 . ?
C8 O1 1.422(3) . ?
C8 C9 1.507(3) . ?
C8 H8 1.0000 . ?
C9 O3 1.443(3) . ?
C9 H9A 0.9900 . ?
C9 H9B 0.9900 . ?
C10 O3 1.415(3) . ?
C10 O2 1.423(3) . ?
C10 C11 1.508(3) . ?
C10 H10 1.0000 . ?
C11 C16 1.389(4) . ?
C11 C12 1.393(4) . ?
C12 C13 1.386(4) . ?
C12 H12 0.9500 . ?
C13 C14 1.393(4) . ?
C13 H13 0.9500 . ?
C14 O4 1.368(3) . ?
C14 C15 1.393(4) . ?
C15 C16 1.397(4) . ?
C15 H15 0.9500 . ?
C16 H16 0.9500 . ?
C17 O4 1.436(4) . ?
C17 H17A 0.9800 . ?
C17 H17B 0.9800 . ?
C17 H17C 0.9800 . ?
C18 N4 1.313(4) . ?
C18 N3 1.362(3) . ?
C18 H18 0.9500 . ?
C19 C20 1.363(4) . ?
C19 N4 1.379(4) . ?
C19 H19 0.9500 . ?
C20 N3 1.381(4) . ?
C20 H20 0.9500 . ?
C21 O5 1.434(3) . ?
C21 N3 1.446(3) . ?
C21 C22 1.509(4) . ?
C21 H21 1.0000 . ?
C22 C23 1.324(4) . ?
C22 H22 0.9500 . ?
C23 C24 1.491(4) . ?
C23 H23 0.9500 . ?
C24 O6 1.437(3) . ?
C24 C25 1.526(4) . ?
C24 H24 1.0000 . ?
C25 O5 1.429(3) . ?
C25 C26 1.517(4) . ?
C25 H25 1.0000 . ?
C26 O7 1.430(3) . ?
C26 H26A 0.9900 . ?
C26 H26B 0.9900 . ?
C27 O6 1.421(3) . ?
C27 O7 1.427(3) . ?
C27 C28 1.499(3) . ?
C27 H27 1.0000 . ?
C28 C29 1.391(3) . ?
C28 C33 1.396(4) . ?
C29 C30 1.395(4) . ?
C29 H29 0.9500 . ?
C30 C31 1.391(4) . ?
C30 H30 0.9500 . ?
C31 O8 1.368(3) . ?
C31 C32 1.396(4) . ?
C32 C33 1.384(4) . ?
C32 H32 0.9500 . ?
C33 H33 0.9500 . ?
C34 O8 1.423(3) . ?
C34 H34A 0.9800 . ?
C34 H34B 0.9800 . ?
C34 H34C 0.9800 . ?

loop_
_geom_angle_atom_site_label_1
_geom_angle_atom_site_label_2
_geom_angle_atom_site_label_3
_geom_angle
_geom_angle_site_symmetry_1
_geom_angle_site_symmetry_3
_geom_angle_publ_flag
N2 C1 N1 112.0(2) . . ?
N2 C1 H1 124.0 . . ?
N1 C1 H1 124.0 . . ?
C3 C2 N2 110.5(3) . . ?
C3 C2 H2 124.7 . . ?
N2 C2 H2 124.7 . . ?
C2 C3 N1 105.3(3) . . ?
C2 C3 H3 127.4 . . ?
N1 C3 H3 127.4 . . ?
O1 C4 N1 106.3(2) . . ?
O1 C4 C5 113.4(2) . . ?
N1 C4 C5 110.7(2) . . ?
O1 C4 H4 108.7 . . ?
N1 C4 H4 108.7 . . ?
C5 C4 H4 108.7 . . ?
C6 C5 C4 122.6(2) . . ?
C6 C5 H5 118.7 . . ?
C4 C5 H5 118.7 . . ?
C5 C6 C7 119.2(2) . . ?
C5 C6 H6 120.4 . . ?
C7 C6 H6 120.4 . . ?
O2 C7 C6 110.7(2) . . ?
O2 C7 C8 108.04(18) . . ?
C6 C7 C8 108.7(2) . . ?
O2 C7 H7 109.8 . . ?
C6 C7 H7 109.8 . . ?
C8 C7 H7 109.8 . . ?
O1 C8 C9 111.3(2) . . ?
O1 C8 C7 108.08(19) . . ?
C9 C8 C7 109.3(2) . . ?
O1 C8 H8 109.4 . . ?
C9 C8 H8 109.4 . . ?
C7 C8 H8 109.4 . . ?
O3 C9 C8 106.7(2) . . ?
O3 C9 H9A 110.4 . . ?
C8 C9 H9A 110.4 . . ?
O3 C9 H9B 110.4 . . ?
C8 C9 H9B 110.4 . . ?
H9A C9 H9B 108.6 . . ?
O3 C10 O2 111.1(2) . . ?
O3 C10 C11 110.1(2) . . ?
O2 C10 C11 107.6(2) . . ?
O3 C10 H10 109.3 . . ?
O2 C10 H10 109.3 . . ?
C11 C10 H10 109.3 . . ?
C16 C11 C12 118.8(2) . . ?
C16 C11 C10 121.7(2) . . ?
C12 C11 C10 119.4(2) . . ?
C13 C12 C11 120.7(3) . . ?
C13 C12 H12 119.6 . . ?
C11 C12 H12 119.6 . . ?
C12 C13 C14 120.1(3) . . ?
C12 C13 H13 119.9 . . ?
C14 C13 H13 119.9 . . ?
O4 C14 C13 115.0(2) . . ?
O4 C14 C15 125.1(3) . . ?
C13 C14 C15 119.9(2) . . ?
C14 C15 C16 119.2(3) . . ?
C14 C15 H15 120.4 . . ?
C16 C15 H15 120.4 . . ?
C11 C16 C15 121.2(3) . . ?
C11 C16 H16 119.4 . . ?
C15 C16 H16 119.4 . . ?
O4 C17 H17A 109.5 . . ?
O4 C17 H17B 109.5 . . ?
H17A C17 H17B 109.5 . . ?
O4 C17 H17C 109.5 . . ?
H17A C17 H17C 109.5 . . ?
H17B C17 H17C 109.5 . . ?
N4 C18 N3 112.3(3) . . ?
N4 C18 H18 123.9 . . ?
N3 C18 H18 123.9 . . ?
C20 C19 N4 111.0(2) . . ?
C20 C19 H19 124.5 . . ?
N4 C19 H19 124.5 . . ?
C19 C20 N3 105.3(2) . . ?
C19 C20 H20 127.3 . . ?
N3 C20 H20 127.3 . . ?
O5 C21 N3 105.5(2) . . ?
O5 C21 C22 113.1(2) . . ?
N3 C21 C22 113.0(2) . . ?
O5 C21 H21 108.4 . . ?
N3 C21 H21 108.4 . . ?
C22 C21 H21 108.4 . . ?
C23 C22 C21 123.5(3) . . ?
C23 C22 H22 118.2 . . ?
C21 C22 H22 118.2 . . ?
C22 C23 C24 119.2(3) . . ?
C22 C23 H23 120.4 . . ?
C24 C23 H23 120.4 . . ?
O6 C24 C23 112.4(2) . . ?
O6 C24 C25 108.3(2) . . ?
C23 C24 C25 108.7(2) . . ?
O6 C24 H24 109.1 . . ?
C23 C24 H24 109.1 . . ?
C25 C24 H24 109.1 . . ?
O5 C25 C26 109.2(2) . . ?
O5 C25 C24 108.8(2) . . ?
C26 C25 C24 108.6(2) . . ?
O5 C25 H25 110.1 . . ?
C26 C25 H25 110.1 . . ?
C24 C25 H25 110.1 . . ?
O7 C26 C25 107.7(2) . . ?
O7 C26 H26A 110.2 . . ?
C25 C26 H26A 110.2 . . ?
O7 C26 H26B 110.2 . . ?
C25 C26 H26B 110.2 . . ?
H26A C26 H26B 108.5 . . ?
O6 C27 O7 110.7(2) . . ?
O6 C27 C28 110.4(2) . . ?
O7 C27 C28 107.2(2) . . ?
O6 C27 H27 109.5 . . ?
O7 C27 H27 109.5 . . ?
C28 C27 H27 109.5 . . ?
C29 C28 C33 119.2(2) . . ?
C29 C28 C27 121.6(2) . . ?
C33 C28 C27 119.0(2) . . ?
C28 C29 C30 120.7(2) . . ?
C28 C29 H29 119.6 . . ?
C30 C29 H29 119.6 . . ?
C31 C30 C29 119.4(2) . . ?
C31 C30 H30 120.3 . . ?
C29 C30 H30 120.3 . . ?
O8 C31 C30 124.6(2) . . ?
O8 C31 C32 115.1(2) . . ?
C30 C31 C32 120.3(2) . . ?
C33 C32 C31 119.7(2) . . ?
C33 C32 H32 120.1 . . ?
C31 C32 H32 120.1 . . ?
C32 C33 C28 120.6(2) . . ?
C32 C33 H33 119.7 . . ?
C28 C33 H33 119.7 . . ?
O8 C34 H34A 109.5 . . ?
O8 C34 H34B 109.5 . . ?
H34A C34 H34B 109.5 . . ?
O8 C34 H34C 109.5 . . ?
H34A C34 H34C 109.5 . . ?
H34B C34 H34C 109.5 . . ?
C1 N1 C3 107.2(2) . . ?
C1 N1 C4 126.8(2) . . ?
C3 N1 C4 126.0(2) . . ?
C1 N2 C2 105.1(2) . . ?
C18 N3 C20 106.7(2) . . ?
C18 N3 C21 125.6(2) . . ?
C20 N3 C21 127.3(2) . . ?
C18 N4 C19 104.7(2) . . ?
C8 O1 C4 109.5(2) . . ?
C10 O2 C7 109.77(19) . . ?
C10 O3 C9 111.77(19) . . ?
C14 O4 C17 117.5(2) . . ?
C25 O5 C21 111.78(19) . . ?
C27 O6 C24 107.82(18) . . ?
C27 O7 C26 111.97(19) . . ?
C31 O8 C34 116.9(2) . . ?

_diffrn_measured_fraction_theta_max 0.986
_diffrn_reflns_theta_full        25.00
_diffrn_measured_fraction_theta_full 0.998
_refine_diff_density_max         0.308
_refine_diff_density_min         -0.377
_refine_diff_density_rms         0.084
_database_code_depnum_ccdc_archive 'CCDC 957218'
