28740-84-3 3,4,6,7-Tetrahydro-1-ethoxypyrrolo(3,2,1-jk)(1,4)benzodiazepine 5-23-12-00042 (Beilstein Handbook Reference) BRN 0749316 Pyrrolo(3,2,1-jk)(1,4)benzodiazepine, 3,4,6,7-tetrahydro-1-ethoxy-