Synonyms: (8AR,12AS,13AS)-5,8,8A,9,10,11,12,12A,13,13A-DECAHYDRO-3-METHOXY-12-(ETHYLSULFONYL)-6H-ISOQUINO[2,1-G][1,6]NAPHTHYRIDINE HYDROCHLORIDE;RS 79948 HYDROCHLORIDE;(8aR,12aS,13aS)-5,8,8a,9,10,11,12,12a,13,13a-Dechydro-3-methoxy-12-(ethylsulfonyl)-6H-isoquino[2,1-g][1,6]naphthyridine