Synonyms: 6,7-Isoquinolinediol,1,2,3,4-tetrahydro-1-[(4-hydroxyphenyl)methyl]-, hydrochloride (9CI);6,7-Isoquinolinediol, 1,2,3,4-tetrahydro-1-[(4-hydroxyphenyl)methyl]-,hydrochloride, (?à)-;(?à)-Demethylcoclaurinehydrochloride; Higenamine hydrochloride