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The crystal structure of the title compound, C21H20N2O2, is compared with related compounds. There are two crystallographically independent molecules, which form two respective stacking columns along the a axis. Neither stacking modes are favorable for a [2 + 2] photopolymerization reaction.
Supporting information
| Crystallographic Information File (CIF) Contains datablocks Sample1, global |
| Structure factor file (SHELXL table format) Supplementary material |
CCDC reference: 129363
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