1,2,4,5,6,7-Hexahydro-9-chloropyrrolo(1,2,3-ef)(1,5)benzodiazepine 28740-83-2 5-23-07-00029 (Beilstein Handbook Reference) BRN 0958540 Pyrrolo(1,2,3-ef)(1,5)benzodiazepine, 1,2,4,5,6,7-hexahydro-9-chloro-