1,3,4,9-Tetrahydro-1,9-dimethyl-1-(2-pyrrolidinoethyl)pyrano(3,4-b)indole hydrochloride 57791-01-2 Pyrano(3,4-b)indole, 1,3,4,9-tetrahydro-1,9-dimethyl-1-(2-pyrrolidinoethyl)-, hydrochloride