(+-)-Demethylcoclaurine (+-)-Norcoclaurine (+-)-O-Demethylcoclaurine 5843-65-2 6,7-Isoquinolinediol, 1,2,3,4-tetrahydro-1-((4-hydroxyphenyl)methyl)-, (+-)- Coclaurine, O-demethyl-, (+-)- Higenamine