13640-47-6 2-Methoxy-5,6,6a,7,7a,8,9,10,11,12a-decahydrobenzo(g)pyrido(1,2-a)indole hydrochloride Benzo(g)pyrido(1,2-a)indole, 5,6,6a,7,7a,8,9,10,11,12a-decahydro-2-methoxy-, hydrochloride