1H-Pyrazino(3,2,1-jk)carbazole, 2,3,3a,4,5,6-hexahydro-10-methyl-, monohydrochloride 2,3,3a,4,5,6-Hexahydro-10-methyl-1H-pyrazino(3,2,1-jk)carbazole monohydrochloride 54955-06-5 Piperazino(1,2-a)indole, 6-methyl-1,10-trimethylene-, hydrochloride