2,3,3a,5,10,10a-Hexahydro-3a-ethyl-2-methyl-4H-furo(2,3-b)(1,5)benzodiazepin-4-one 4H-Furo(2,3-b)(1,5)benzodiazepin-4-one, 2,3,3a,5,10,10a-hexahydro-3a-ethyl-2-methyl- 77414-12-1 BRN 5956374