67239-20-7 ISOQUINO(2,1-d)(1,4)BENZODIAZEPIN-6(7H)-ONE, 5,9,10,14b-TETRAHYDRO-2-CHLORO-5(HY Isoquino(2,1-d)(1,4)benzodiazepin-6(7H)-one, 5,9,10,14b-tetrahydro-2-chloro-5(hydroxymethyl)-, acetate (ester)