2,3,3a,5-Tetrahydro-8-chloro-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-tetrahydro-8-chloro-3a-ethyl-2-methyl- 77414-09-6