Acta Cryst. (2014). E70, o32 [ doi:10.1107/S1600536813032960 ]
Abstract: The title compound, C21H19N3O, exhibits an E configuration with respect to the C=C bond between the benzodiazepine and trimethylamine groups. The seven-membered diazepine ring displays a boat conformation. In the crystal, molecules are linked by a C-HO hydrogen bond, forming a chain along .
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