Isoquino(2,1-d)(1,4)benzodiazepin-6(7H)-one, 5,9,10,14b-tetrahydro-5,10-dimethyl-, cis- NW6750000 cis-5,9,10,14b-Tetrahydro-5,10-dimethylisoquino(2,1-d)(1,4)benzodiazepin-6(7H)-one