# Electronic Supplementary Material (ESI) for ChemComm.
# This journal is © The Royal Society of Chemistry 2022

####################################################################### 
# 
# This file contains crystal structure data downloaded from the 
# Cambridge Structural Database (CSD) hosted by the Cambridge 
# Crystallographic Data Centre (CCDC).
# 
# Full information about CCDC data access policies and citation 
# guidelines are available at http://www.ccdc.cam.ac.uk/access/V1 
# 
# Audit and citation data items may have been added by the CCDC. 
# Please retain this information to preserve the provenance of 
# this file and to allow appropriate attribution of the data. 
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data_ll_dl_01_45
_database_code_depnum_ccdc_archive 'CCDC 2189462'
loop_
_audit_author_name
_audit_author_address
'Cassie Ward'
;Wayne State University
United States of America
;
_audit_update_record             
;
2022-07-11 deposited with the CCDC.	2022-09-07 downloaded from the CCDC.
;
_audit_creation_date             2021-12-10
_audit_creation_method           
;
Olex2 1.5
(compiled 2021.12.09 svn.r5202d8cf for OlexSys, GUI svn.r6439)
;
_shelx_SHELXL_version_number     2018/3
loop_
_audit_author_email
''
_chemical_name_common            ?
_chemical_name_systematic        ?
_chemical_formula_moiety         'C23 H22 N2 O'
_chemical_formula_sum            'C23 H22 N2 O'
_chemical_formula_weight         342.42
_chemical_melting_point          ?
loop_
_atom_type_symbol
_atom_type_description
_atom_type_scat_dispersion_real
_atom_type_scat_dispersion_imag
_atom_type_scat_source
C C 0.0181 0.0091 '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 0.0311 0.0180 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'
O O 0.0492 0.0322 'International Tables Vol C Tables 4.2.6.8 and 6.1.1.4'

_shelx_space_group_comment       
;
The symmetry employed for this shelxl refinement is uniquely defined
by the following loop, which should always be used as a source of
symmetry information in preference to the above space-group names.
They are only intended as comments.
;
_space_group_crystal_system      monoclinic
_space_group_IT_number           14
_space_group_name_H-M_alt        'P 1 21/c 1'
_space_group_name_Hall           '-P 2ybc'
loop_
_space_group_symop_operation_xyz
'x, y, z'
'-x, y+1/2, -z+1/2'
'-x, -y, -z'
'x, -y-1/2, z-1/2'

_cell_length_a                   9.7900(3)
_cell_length_b                   16.4804(5)
_cell_length_c                   11.3323(3)
_cell_angle_alpha                90
_cell_angle_beta                 101.5570(10)
_cell_angle_gamma                90
_cell_volume                     1791.32(9)
_cell_formula_units_Z            4
_cell_measurement_reflns_used    9994
_cell_measurement_temperature    100
_cell_measurement_theta_max      72.134
_cell_measurement_theta_min      5.336
_shelx_estimated_absorpt_T_max   0.988
_shelx_estimated_absorpt_T_min   0.711
_exptl_absorpt_coefficient_mu    0.610
_exptl_absorpt_correction_T_max  0.7536
_exptl_absorpt_correction_T_min  0.6474
_exptl_absorpt_correction_type   multi-scan
_exptl_absorpt_process_details   
;
SADABS-2016/2 (Bruker,2016/2) was used for absorption correction.
wR2(int) was 0.1357 before and 0.0428 after correction.
The Ratio of minimum to maximum transmission is 0.8591.
The λ/2 correction factor is Not present.
;
_exptl_absorpt_special_details   ?
_exptl_crystal_colour            yellow
_exptl_crystal_colour_primary    yellow
_exptl_crystal_density_diffrn    1.270
_exptl_crystal_density_meas      ?
_exptl_crystal_density_method    ?
_exptl_crystal_description       plate
_exptl_crystal_F_000             728
_exptl_crystal_recrystallization_method 'slow evaporation in hexane at 4ï>0C'
_exptl_crystal_size_max          0.6
_exptl_crystal_size_mid          0.2
_exptl_crystal_size_min          0.02
_exptl_transmission_factor_max   ?
_exptl_transmission_factor_min   ?
_diffrn_reflns_av_R_equivalents  0.0279
_diffrn_reflns_av_unetI/netI     0.0142
_diffrn_reflns_Laue_measured_fraction_full 0.994
_diffrn_reflns_Laue_measured_fraction_max 0.994
_diffrn_reflns_limit_h_max       12
_diffrn_reflns_limit_h_min       -12
_diffrn_reflns_limit_k_max       20
_diffrn_reflns_limit_k_min       -20
_diffrn_reflns_limit_l_max       12
_diffrn_reflns_limit_l_min       -13
_diffrn_reflns_number            36428
_diffrn_reflns_point_group_measured_fraction_full 0.994
_diffrn_reflns_point_group_measured_fraction_max 0.994
_diffrn_reflns_theta_full        67.679
_diffrn_reflns_theta_max         72.244
_diffrn_reflns_theta_min         4.610
_diffrn_ambient_temperature      100
_diffrn_detector                 'Photon III'
_diffrn_detector_area_resol_mean ?
_diffrn_detector_type            'CPAD area detector'
_diffrn_measured_fraction_theta_full 0.994
_diffrn_measured_fraction_theta_max 0.994
_diffrn_measurement_device       'κ--geometry diffractometer'
_diffrn_measurement_device_type  'Bruker D8 VENTURE'
_diffrn_measurement_method       'φ and ω scans'
_diffrn_radiation_collimation    '0.8 mm pinhole collimator'
_diffrn_radiation_monochromator  'multilayer mirror'
_diffrn_radiation_type           'Cu K\a'
_diffrn_radiation_wavelength     1.54178
_diffrn_source                   'microfocus sealed tube'
_diffrn_source_current           1.1
_diffrn_source_power             0.05500000000000001
_diffrn_source_target            Cu
_diffrn_source_type              'Incoatec I\mS'
_diffrn_source_voltage           50.0
_diffrn_standards_number         0
_reflns_Friedel_coverage         0.000
_reflns_Friedel_fraction_full    .
_reflns_Friedel_fraction_max     .
_reflns_number_gt                3326
_reflns_number_total             3517
_reflns_special_details          
;
 Reflections were merged by SHELXL according to the crystal
 class for the calculation of statistics and refinement.
 
 _reflns_Friedel_fraction is defined as the number of unique
 Friedel pairs measured divided by the number that would be
 possible theoretically, ignoring centric projections and
 systematic absences.
;
_reflns_threshold_expression     'I > 2σ(I)'
_computing_cell_refinement       'SAINT V8.40B (?, 2016)'
_computing_data_collection       ?
_computing_data_reduction        'SAINT V8.40B (?, 2016)'
_computing_molecular_graphics    'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_publication_material  'Olex2 1.5 (Dolomanov et al., 2009)'
_computing_structure_refinement  'SHELXL 2018/3 (Sheldrick, 2015)'
_computing_structure_solution    'SHELXT 2018/2 (Sheldrick, 2018)'
_refine_diff_density_max         0.196
_refine_diff_density_min         -0.161
_refine_diff_density_rms         0.032
_refine_ls_extinction_coef       .
_refine_ls_extinction_method     none
_refine_ls_goodness_of_fit_ref   1.025
_refine_ls_hydrogen_treatment    mixed
_refine_ls_matrix_type           full
_refine_ls_number_parameters     239
_refine_ls_number_reflns         3517
_refine_ls_number_restraints     0
_refine_ls_R_factor_all          0.0354
_refine_ls_R_factor_gt           0.0338
_refine_ls_restrained_S_all      1.025
_refine_ls_shift/su_max          0.000
_refine_ls_shift/su_mean         0.000
_refine_ls_structure_factor_coef Fsqd
_refine_ls_weighting_details     
'w=1/[σ²(Fo²)+(0.0420P)²+0.5940P] where P=(Fo²+2Fc²)/3'
_refine_ls_weighting_scheme      calc
_refine_ls_wR_factor_gt          0.0858
_refine_ls_wR_factor_ref         0.0873
_refine_special_details          ?
_olex2_refinement_description    
;
1. Fixed Uiso
 At 1.2 times of:
  All C(H) groups, All C(H,H) groups, All N(H) groups
 At 1.5 times of:
  All C(H,H,H) groups
2.a Secondary CH2 refined with riding coordinates:
 C9(H9A,H9B), C16(H16A,H16B), C8(H8A,H8B)
2.b Aromatic/amide H refined with riding coordinates:
 C21(H21), C22(H22), C19(H19), C18(H18), C4(H4), C3(H3), C7(H7), C14(H14),
 C11(H11), C12(H12), C6(H6), C13(H13)
2.c Idealised Me refined as rotating group:
 C1(H1A,H1B,H1C)
;
_atom_sites_solution_hydrogens   mixed
_atom_sites_solution_primary     dual
_atom_sites_solution_secondary   ?
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_site_symmetry_order
_atom_site_calc_flag
_atom_site_refinement_flags_posn
_atom_site_refinement_flags_adp
_atom_site_refinement_flags_occupancy
_atom_site_disorder_assembly
_atom_site_disorder_group
O1 O 0.29812(8) 0.60134(5) 0.14070(7) 0.03140(19) Uani 1 1 d . . . . .
N1 N 0.44137(11) 0.71851(6) 0.61083(8) 0.0320(2) Uani 1 1 d . . . . .
H1 H 0.3731(15) 0.7517(9) 0.6286(12) 0.038 Uiso 1 1 d . U . . .
N2 N 0.74651(10) 0.44552(6) 0.23806(8) 0.0315(2) Uani 1 1 d . . . . .
C21 C 0.81102(10) 0.49965(6) 0.54304(9) 0.0227(2) Uani 1 1 d . . . . .
H21 H 0.773032 0.447014 0.548058 0.027 Uiso 1 1 calc R U . . .
C20 C 0.82681(10) 0.53048(6) 0.43218(9) 0.0217(2) Uani 1 1 d . . . . .
C17 C 0.90775(10) 0.62339(6) 0.64038(9) 0.0212(2) Uani 1 1 d . . . . .
C23 C 0.78347(10) 0.48254(6) 0.32465(9) 0.0246(2) Uani 1 1 d . . . . .
C10 C 0.75772(11) 0.68032(6) 0.86320(9) 0.0226(2) Uani 1 1 d . . . . .
C15 C 0.89444(11) 0.65600(6) 0.85966(9) 0.0229(2) Uani 1 1 d . . . . .
C22 C 0.85111(10) 0.54627(6) 0.64626(9) 0.0226(2) Uani 1 1 d . . . . .
H22 H 0.839781 0.525333 0.721817 0.027 Uiso 1 1 calc R U . . .
C19 C 0.88308(11) 0.60786(6) 0.42500(9) 0.0254(2) Uani 1 1 d . . . . .
H19 H 0.893963 0.628996 0.349432 0.030 Uiso 1 1 calc R U . . .
C18 C 0.92280(11) 0.65341(6) 0.52867(9) 0.0249(2) Uani 1 1 d . . . . .
H18 H 0.960951 0.706012 0.523696 0.030 Uiso 1 1 calc R U . . .
C4 C 0.29250(11) 0.71427(6) 0.41437(10) 0.0264(2) Uani 1 1 d . . . . .
H4 H 0.235224 0.754633 0.439574 0.032 Uiso 1 1 calc R U . . .
C3 C 0.25877(11) 0.68445(7) 0.29830(9) 0.0272(2) Uani 1 1 d . . . . .
H3 H 0.178406 0.704353 0.244850 0.033 Uiso 1 1 calc R U . . .
C9 C 0.66466(10) 0.72215(6) 0.75813(9) 0.0241(2) Uani 1 1 d . . . . .
H9A H 0.715390 0.726956 0.691148 0.029 Uiso 1 1 calc R U . . .
H9B H 0.643947 0.777702 0.782773 0.029 Uiso 1 1 calc R U . . .
C7 C 0.45780(10) 0.59701(6) 0.33733(10) 0.0242(2) Uani 1 1 d . . . . .
H7 H 0.514699 0.556723 0.311460 0.029 Uiso 1 1 calc R U . . .
C14 C 0.97434(11) 0.61667(6) 0.95918(10) 0.0279(2) Uani 1 1 d . . . . .
H14 H 1.066688 0.600161 0.956676 0.033 Uiso 1 1 calc R U . . .
C2 C 0.34109(10) 0.62560(6) 0.25867(9) 0.0228(2) Uani 1 1 d . . . . .
C11 C 0.70708(11) 0.66599(6) 0.96823(9) 0.0258(2) Uani 1 1 d . . . . .
H11 H 0.615896 0.683669 0.972695 0.031 Uiso 1 1 calc R U . . .
C16 C 0.95957(10) 0.67388(6) 0.75226(9) 0.0240(2) Uani 1 1 d . . . . .
H16A H 1.061582 0.666043 0.776792 0.029 Uiso 1 1 calc R U . . .
H16B H 0.943287 0.731793 0.730768 0.029 Uiso 1 1 calc R U . . .
C5 C 0.41018(11) 0.68583(6) 0.49569(9) 0.0234(2) Uani 1 1 d . . . . .
C12 C 0.78755(12) 0.62641(7) 1.06607(10) 0.0290(2) Uani 1 1 d . . . . .
H12 H 0.750767 0.616562 1.136214 0.035 Uiso 1 1 calc R U . . .
C6 C 0.49211(10) 0.62719(7) 0.45451(9) 0.0258(2) Uani 1 1 d . . . . .
H6 H 0.572990 0.607391 0.507390 0.031 Uiso 1 1 calc R U . . .
C13 C 0.92121(12) 0.60127(7) 1.06164(10) 0.0308(3) Uani 1 1 d . . . . .
H13 H 0.976192 0.573691 1.128199 0.037 Uiso 1 1 calc R U . . .
C8 C 0.52771(12) 0.67753(7) 0.71307(10) 0.0306(2) Uani 1 1 d . . . . .
H8A H 0.547923 0.621714 0.689169 0.037 Uiso 1 1 calc R U . . .
H8B H 0.475709 0.673565 0.779315 0.037 Uiso 1 1 calc R U . . .
C1 C 0.39065(13) 0.55089(7) 0.09162(11) 0.0350(3) Uani 1 1 d . . . . .
H1A H 0.352499 0.541510 0.005963 0.053 Uiso 1 1 calc R U . . .
H1B H 0.401575 0.498858 0.134332 0.053 Uiso 1 1 calc R U . . .
H1C H 0.481646 0.577558 0.100747 0.053 Uiso 1 1 calc R U . . .


_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
O1 C2 1.3779(12) . ?
O1 C1 1.4224(14) . ?
N1 H1 0.917(15) . ?
N1 C5 1.3878(13) . ?
N1 C8 1.4563(14) . ?
N2 C23 1.1505(14) . ?
C21 H21 0.9500 . ?
C21 C20 1.3923(14) . ?
C21 C22 1.3888(14) . ?
C20 C23 1.4429(14) . ?
C20 C19 1.3980(15) . ?
C17 C22 1.3935(14) . ?
C17 C18 1.3943(14) . ?
C17 C16 1.5164(13) . ?
C10 C15 1.4055(14) . ?
C10 C9 1.5127(14) . ?
C10 C11 1.3981(15) . ?
C15 C14 1.3965(15) . ?
C15 C16 1.5118(14) . ?
C22 H22 0.9500 . ?
C19 H19 0.9500 . ?
C19 C18 1.3827(15) . ?
C18 H18 0.9500 . ?
C4 H4 0.9500 . ?
C4 C3 1.3808(15) . ?
C4 C5 1.4039(14) . ?
C3 H3 0.9500 . ?
C3 C2 1.3918(15) . ?
C9 H9A 0.9900 . ?
C9 H9B 0.9900 . ?
C9 C8 1.5247(15) . ?
C7 H7 0.9500 . ?
C7 C2 1.3834(14) . ?
C7 C6 1.3946(15) . ?
C14 H14 0.9500 . ?
C14 C13 1.3875(16) . ?
C11 H11 0.9500 . ?
C11 C12 1.3876(15) . ?
C16 H16A 0.9900 . ?
C16 H16B 0.9900 . ?
C5 C6 1.3946(15) . ?
C12 H12 0.9500 . ?
C12 C13 1.3831(17) . ?
C6 H6 0.9500 . ?
C13 H13 0.9500 . ?
C8 H8A 0.9900 . ?
C8 H8B 0.9900 . ?
C1 H1A 0.9800 . ?
C1 H1B 0.9800 . ?
C1 H1C 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
C2 O1 C1 117.03(8) . . ?
C5 N1 H1 113.9(9) . . ?
C5 N1 C8 123.46(10) . . ?
C8 N1 H1 115.8(9) . . ?
C20 C21 H21 120.2 . . ?
C22 C21 H21 120.2 . . ?
C22 C21 C20 119.63(9) . . ?
C21 C20 C23 119.68(9) . . ?
C21 C20 C19 120.11(9) . . ?
C19 C20 C23 120.20(9) . . ?
C22 C17 C18 118.85(9) . . ?
C22 C17 C16 122.02(9) . . ?
C18 C17 C16 119.07(9) . . ?
N2 C23 C20 178.46(11) . . ?
C15 C10 C9 122.30(9) . . ?
C11 C10 C15 118.57(10) . . ?
C11 C10 C9 119.13(9) . . ?
C10 C15 C16 121.67(9) . . ?
C14 C15 C10 119.46(10) . . ?
C14 C15 C16 118.84(9) . . ?
C21 C22 C17 120.82(9) . . ?
C21 C22 H22 119.6 . . ?
C17 C22 H22 119.6 . . ?
C20 C19 H19 120.2 . . ?
C18 C19 C20 119.53(9) . . ?
C18 C19 H19 120.2 . . ?
C17 C18 H18 119.5 . . ?
C19 C18 C17 121.06(9) . . ?
C19 C18 H18 119.5 . . ?
C3 C4 H4 119.5 . . ?
C3 C4 C5 120.97(10) . . ?
C5 C4 H4 119.5 . . ?
C4 C3 H3 119.6 . . ?
C4 C3 C2 120.80(9) . . ?
C2 C3 H3 119.6 . . ?
C10 C9 H9A 108.9 . . ?
C10 C9 H9B 108.9 . . ?
C10 C9 C8 113.22(9) . . ?
H9A C9 H9B 107.7 . . ?
C8 C9 H9A 108.9 . . ?
C8 C9 H9B 108.9 . . ?
C2 C7 H7 119.9 . . ?
C2 C7 C6 120.16(9) . . ?
C6 C7 H7 119.9 . . ?
C15 C14 H14 119.4 . . ?
C13 C14 C15 121.16(10) . . ?
C13 C14 H14 119.4 . . ?
O1 C2 C3 115.55(9) . . ?
O1 C2 C7 125.35(9) . . ?
C7 C2 C3 119.09(9) . . ?
C10 C11 H11 119.4 . . ?
C12 C11 C10 121.22(10) . . ?
C12 C11 H11 119.4 . . ?
C17 C16 H16A 108.2 . . ?
C17 C16 H16B 108.2 . . ?
C15 C16 C17 116.21(8) . . ?
C15 C16 H16A 108.2 . . ?
C15 C16 H16B 108.2 . . ?
H16A C16 H16B 107.4 . . ?
N1 C5 C4 118.98(10) . . ?
N1 C5 C6 123.41(9) . . ?
C6 C5 C4 117.58(9) . . ?
C11 C12 H12 119.9 . . ?
C13 C12 C11 120.11(10) . . ?
C13 C12 H12 119.9 . . ?
C7 C6 C5 121.39(9) . . ?
C7 C6 H6 119.3 . . ?
C5 C6 H6 119.3 . . ?
C14 C13 H13 120.3 . . ?
C12 C13 C14 119.45(10) . . ?
C12 C13 H13 120.3 . . ?
N1 C8 C9 111.97(9) . . ?
N1 C8 H8A 109.2 . . ?
N1 C8 H8B 109.2 . . ?
C9 C8 H8A 109.2 . . ?
C9 C8 H8B 109.2 . . ?
H8A C8 H8B 107.9 . . ?
O1 C1 H1A 109.5 . . ?
O1 C1 H1B 109.5 . . ?
O1 C1 H1C 109.5 . . ?
H1A C1 H1B 109.5 . . ?
H1A C1 H1C 109.5 . . ?
H1B C1 H1C 109.5 . . ?

loop_
_geom_torsion_atom_site_label_1
_geom_torsion_atom_site_label_2
_geom_torsion_atom_site_label_3
_geom_torsion_atom_site_label_4
_geom_torsion
_geom_torsion_site_symmetry_1
_geom_torsion_site_symmetry_2
_geom_torsion_site_symmetry_3
_geom_torsion_site_symmetry_4
_geom_torsion_publ_flag
N1 C5 C6 C7 -178.98(10) . . . . ?
C21 C20 C19 C18 -0.02(15) . . . . ?
C20 C21 C22 C17 -0.38(15) . . . . ?
C20 C19 C18 C17 0.06(15) . . . . ?
C23 C20 C19 C18 179.33(9) . . . . ?
C10 C15 C14 C13 -0.10(15) . . . . ?
C10 C15 C16 C17 -73.84(12) . . . . ?
C10 C9 C8 N1 -179.11(9) . . . . ?
C10 C11 C12 C13 0.89(16) . . . . ?
C15 C10 C9 C8 122.80(10) . . . . ?
C15 C10 C11 C12 -1.97(15) . . . . ?
C15 C14 C13 C12 -1.00(16) . . . . ?
C22 C21 C20 C23 -179.18(9) . . . . ?
C22 C21 C20 C19 0.18(15) . . . . ?
C22 C17 C18 C19 -0.26(15) . . . . ?
C22 C17 C16 C15 -25.52(13) . . . . ?
C18 C17 C22 C21 0.42(14) . . . . ?
C18 C17 C16 C15 157.39(9) . . . . ?
C4 C3 C2 O1 -179.16(10) . . . . ?
C4 C3 C2 C7 0.07(16) . . . . ?
C4 C5 C6 C7 -0.78(15) . . . . ?
C3 C4 C5 N1 178.94(10) . . . . ?
C3 C4 C5 C6 0.65(16) . . . . ?
C9 C10 C15 C14 -179.15(9) . . . . ?
C9 C10 C15 C16 3.01(14) . . . . ?
C9 C10 C11 C12 178.72(9) . . . . ?
C14 C15 C16 C17 108.31(10) . . . . ?
C2 C7 C6 C5 0.56(16) . . . . ?
C11 C10 C15 C14 1.56(14) . . . . ?
C11 C10 C15 C16 -176.28(9) . . . . ?
C11 C10 C9 C8 -57.92(12) . . . . ?
C11 C12 C13 C14 0.62(16) . . . . ?
C16 C17 C22 C21 -176.68(9) . . . . ?
C16 C17 C18 C19 176.92(9) . . . . ?
C16 C15 C14 C13 177.80(9) . . . . ?
C5 N1 C8 C9 113.53(12) . . . . ?
C5 C4 C3 C2 -0.31(17) . . . . ?
C6 C7 C2 O1 178.96(9) . . . . ?
C6 C7 C2 C3 -0.19(15) . . . . ?
C8 N1 C5 C4 158.53(10) . . . . ?
C8 N1 C5 C6 -23.29(17) . . . . ?
C1 O1 C2 C3 170.60(10) . . . . ?
C1 O1 C2 C7 -8.57(15) . . . . ?

_olex2_exptl_crystal_mounting_method 
'The crystal was mounted on a MicroMount (MiTeGen) with paratone oil (Parabar 10312, Hampton Research).'
_olex2_submission_special_instructions 'No special instructions were received'
