1-(2',4',5-Trimethoxybenzyl)-6,7-dihydroxy-1,2,3,4-tetrahydroisoquinoline 2,4,5-Trimetoquinol 6,7-Isoquinolinediol, 1,2,3,4-tetrahydro-1-((2,4,5-trimethoxyphenyl)methyl)-, hydrochloride 78685-99-1