10H-Thieno(2,3-b)(1,5)benzodiazepine, 2-ethyl-4-(4-methyl-1-piperazinyl)-7-(methylthio)- 2-Ethyl-4-(4-methyl-1-piperazinyl)-7-(methylthio)-10H-thieno(2,3-b)(1,5)benzodiazepine 74162-46-2 BRN 5634451