1-(4-Ethoxy-3-methoxybenzyl)-6,7-dimethoxy-3-methylisoquinoline phosphate 6670-95-7 Dioxylium phosphate ISOQUINOLINE, 1-(4-ETHOXY-3-METHOXYBENZYL)-6,7-DIMETHOXY-3-METHYL-, PHOSPHATE Isoquinoline, 1-((4-ethoxy-3-methoxyphenyl)methyl)-6,7-dimethoxy-3-methyl-, phosphate