1,2,3,4-Tetrahydro-N,N,2-trimethyl-5H-pyrido(4,3-b)indole-5-ethylamine dihydrochloride 40431-49-0 5H-Pyrido(4,3-b)indole, 1,2,3,4-tetrahydro-5-(2-(dimethylamino)ethyl)-2-methyl-, dihydrochloride 5H-Pyrido(4,3-b)indole-5-ethylamine, 1,2,3,4-tetrahydro-N,N,2-trimethyl-, dihydrochloride