10H-Thieno(2,3-b)(1,5)benzodiazepine, 2-tert-butyl-4-(4-methyl-1-piperazinyl)- 2-tert-Butyl-4-(4-methyl-1-piperazinyl)-10H-thieno(2,3-b)(1,5)benzodiazepine 4H-Thieno(3,4-b)(1,5)benzodiazepine, 2-(1,1-dimethylethyl)-4-(4-methyl-1-piperazinyl)- 74162-35-9 BRN 5631875