4H-Thieno(3,2-b)(1,5)benzodiazepine, 7-fluoro-2-methyl-10-(4-methyl-1-piperazinyl)- 7-Fluoro-2-methyl-10-(4-methyl-1-piperazinyl)-4H-thieno(3,2-b)(1,5)benzodiazepine 74137-73-8