(+-)-1,2,3,4-Tetrahydro-1-((4-hydroxyphenyl)methyl)-6,7-isoquinolinediol hydrochloride (+-)-Demethylcoclaurine hydrochloride 11041-94-4 6,7-Isoquinolinediol, 1,2,3,4-tetrahydro-1-((4-hydroxyphenyl)methyl)-, hydrochloride, (+-)- Higenamine hydrochloride