1,2,3,4-Tetrahydro-9-chloropyrrolo(3,2,1-jk)(1,4)benzodiazepine 27158-81-2 5-23-07-00326 (Beilstein Handbook Reference) BRN 0958548 Pyrrolo(3,2,1-jk)(1,4)benzodiazepine, 1,2,3,4-tetrahydro-9-chloro-