39744-93-9 5-(2-(Diethylamino)ethyl)-5,6,7,8-tetrahydro-5H-pyrido(4,3-b)indole dihydrochloride 5H-Pyrido(4,3-b)indole, 5,6,7,8-tetrahydro-5-(2-(diethylamino)ethyl)-, dihydrochloride 9-(beta-Diethylaminoethyl)-5,6,7,8-tetrahydro-gamma-carboline dihydrochloride