27158-85-6 4,5,6,7-Tetrahydropyrrolo(1,2,3-ef)(1,5)benzodiazepine 5-23-07-00326 (Beilstein Handbook Reference) BRN 0957992 Pyrrolo(1,2,3-ef)(1,5)benzodiazepine, 4,5,6,7-tetrahydro-