Synonyms: 6H-Isoquino[2,1-g][1,6]naphthyridine,5,8,8a,9,10,11,12,12a,13,13a-decahydro-3-methoxy-12-(methylsulfonyl)-,monohydrochloride, (8aR,12aS,13aS)- (9CI);6H-Isoquino[2,1-g][1,6]naphthyridine,5,8,8a,9,10,11,12,12a,13,13a-decahydro-3-methoxy-12-(methylsulfonyl)-,monohydrochloride, [8aR-(8aa,12aa,13aa)]-; Delequamine hydrochloride; RS 15385-197