| 英文名称: | | 1h-purine-2,6-dione, 3,7-dihydro-1,3-diethyl-8-(2-(4-ethoxyphenyl)ethenyl)-7-me | | (e)-1,3-diethyl-8-(2-(4-ethoxyphenyl)ethenyl)-7-methyl-3,7-dihydro-1h-pu rine | | (e)-8-(4-ethoxystyryl)-1,3-diethyl-7-methylxanthine | | 7-dihydro-1,3-diethyl-8-(2-(4-ethoxyphenyl)ethenyl)-7-methyl-6-dion (e)-1h-purine-3 |
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