1H-Indolo(3,2,1-de)(1,5)naphthyridin-6-ol, 2,3,3a,4,5,6-hexahydro-6-ethyl-3-methyl- 2,3,3a,4,5,6-Hexahydro-6-ethyl-3-methyl-1H-indolo(3,2,1-de)(1,5)naphthyridin-6-ol 6-Ethyl-3-methyl-2,3,3a,4,5,6-hexahydro-6-canthinol hydrochloride 65285-15-6