62206-20-6 7H-ISOQUINO(2,1-d)(1,4)BENZODIAZEPIN-8-IUM, 9,10-DIHYDRO-6-(p-BROMOPHENYL)-2-CHL 7H-Isoquino(2,1-d)(1,4)benzodiazepin-8-ium, 9,10-dihydro-6-(p-bromophenyl)-2-chloro-12,13-dimethoxy-, bromide