10H-Thieno(2,3-b)(1,4)benzodiazepine, 7-chloro-2-ethyl-5-(4-methyl-1-piperazinyl)- 7-Chloro-2-ethyl-5-(4-methyl-1-piperazinyl)-10H-thieno(2,3-b)(1,4)benzodiazepine 74175-84-1 BRN 5624736