4H-Thieno(3,4-b)(1,5)benzodiazepine, 6,7-dichloro-10-(4-methyl-1-piperazinyl)- 6,7-Dichloro-10-(4-methyl-1-piperazinyl)-4H-thieno(3,4-b)(1,5)benzodiazepine 61325-86-8 BRN 1039584