28889-33-0 3,4-Dihydropyrrolo(3,2,1-jk)(1,4)benzodiazepin-1(2H)-one 5-24-03-00502 (Beilstein Handbook Reference) BRN 0643845 Pyrrolo(3,2,1-jk)(1,4)benzodiazepin-1(2H)-one, 3,4-dihydro-