6-(4-Biphenylyl)-2,3,4,12,13-pentamethoxy-9,10-dihydro-7H-isoquino(2,1-d)(1,4)benzodiazepine 82802-94-6 ISOQUINO(2,1-d)(1,4)BENZODIAZEPINE, 7,9,10,14b-TETRAHYDRO-6-(4-BIPHENYLYL)-2,3,4 Isoquino(2,1-d)(1,4)benzodiazepine, 7,9,10,14b-tetrahydro-6-(4-biphenylyl)-2,3,4,12,13-pentamethoxy-