1,3,4,5-Tetrahydro-5-(3-(4-methyl-1-piperazinyl)propyl)thiopyrano(4,3-b)indole dihydrochloride 5502-38-5 Thiopyrano(4,3-b)indole, 1,3,4,5-tetrahydro-5-(3-(4-methyl-1-piperazinyl)propyl)-, dihydrochloride