Synonyms: Isoquinoline, 1-[(3,4-diethoxyphenyl)methylene]-6,7-diethoxy-1,2,3,4-tetrahydro-, hydrochloride (1:1), Isoquinoline, 1-(3,4-diethoxybenzylidene)-6,7-diethoxy-1,2,3,4-tetrahydro-, hydrochloride (7CI,8CI), Isoquinoline, 1-[(3,4-diethoxyphenyl)methylene]-6,7-diethoxy-1,2,3,4-tetrahydro-, hydrochloride (9CI), Drotaverin hydrochloride, Drotaverine hydrochloride, Drotaverinium chloride, Drotin, Isodihydroperparine hydrochloride, NOSH-BRA, No-Spa, No-Spa hydrochloride, Tetraspasmin-Lefa
