1-[(3,4,5-trimethoxyphenyl)methyl]-1,2,3,4-tetrahydroisoquinoline-6,7-diol 1-(3,4,5-trimethoxybenzyl)-1,2,3,4-tetrahydroisoquinoline-6,7-diol 1,2,3,4-TETRAHYDRO-1-(3,4,5-TRIMETHOXYBENZYL)-6,7-ISOQUINOLINEDIOL MONOHYDRATE H PDSP1_000588 PDSP2_000585