10H-Thieno(2,3-b)(1,5)benzodiazepine, 2-ethyl-8-fluoro-4-(4-methyl-1-piperazinyl)-, maleate 2-Ethyl-8-fluoro-4-(4-methyl-1-piperazinyl)-10H-thieno(2,3-b)(1,5)benzodiazepine maleate 61431-30-9