109793-72-8 1H-Indole, 5-(methylthio)-3-(1-propyl-1,2,3,6-tetrahydro-4-pyridinyl)-, monohydrochloride 5-(Methylthio)-3-(1-propyl-1,2,3,6-tetrahydro-4-pyridinyl)-1H-indole hydrochloride