英文名称: | (4-(2-(1,3-diethyl-2,3,6,7-tetrahydro-7-methyl-2,6-dioxo-1h-purin-acetic aci | ethyl ester, (e)-8-yl)eth enyl) phenoxy) | (e)-8-(4-ethoxycarbonylmethoxystyryl)-1,3-diethyl-7-methylxanthine | 3-diethyl-2,3,6,7-tetrahydro-7-methyl-2,6-dioxo-1h-purin-8-yl)eth enyl) phenoxy)-(4-(2-( ethyl esacetic aci |
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