label: (6-(6-(3-ethylureido)-9H-purin-9-yl)-2-styryltetrahydrofuro(3,4-d)(1,3)dioxol-4-yl)methyl dihydrogen phosphate
label_lc: (6-(6-(3-ethylureido)-9h-purin-9-yl)-2-styryltetrahydrofuro(3,4-d)(1,3)dioxol-4-yl)methyl dihydrogen phosphate