Diéthyl 10‐chloro‐7‐méthyl‐6‐oxo‐11b‐phényl‐2,3,5,6,7,11b‐héxa­hydro­oxazolino[3,2‐d][1,4]benzodiazépine‐2,3‐carboxylate

The structure of the title compound, C₂₄H₂₅ClN₂O₆, has been established and the central seven‐membered ring is fused to chlorobenzo and oxazolino rings to form the core of the molecule.