2,3,4,9-Tetrahydro-N-ethyl-9-phenylthiopyrano(2,3-b)indole-4-methanamine hydrochloride 73426-04-7 Thiopyrano(2,3-b)indole-4-methanamine, 2,3,4,9-tetrahydro-N-ethyl-9-phenyl-, monohydrochloride