R. Benelbaghdadi et al., Diethyl 10-chloro-7-methyl-6-oxo-11b-phenyl-2,3,5,6,7,11b-hexahydrooxazolino[3,2-d][1,4]benzodiazepine2,3-carboxylate, ACT CRYST C, 56, 2000, pp. E461-E462
The structure of the title compound, C24H25ClN2O6, has been established and
the central seven-membered ring is fused to chlorobenzo and oxazolino ring
s to form the core of the molecule.