1-(4-methoxyphenyl)-1'-methylspiro[piperidine-4,2'-(1',2',3',4'-tetrahydroquinqzolin)]-4'-one

2-methyl-1,2,3,4,5,10-hexahydrobenzo[b]-1,6-naphthyridin-10-one hydrochloride

2-methyl-1,2,3,4,5,10-hexahydrobenzo[b]-1,6-naphthyridin-10-one