英文名称: | 1h-purine-2,6-dione, 3,7-dihydro-1,3-diethyl-8-(2-(3,4-dimethoxyphenyl)ethenyl) | (e)-1,3-diethyl-8-(2-(3,4-dimethoxyphenyl)ethenyl)-3,7-dihydro-1h-purine -2,6 | (e)-8-(3,4-dimethoxystyryl)-1,3-diethylxanthine | 7-dihydro-1,3-diethyl-8-(2-(3,4-dimethoxyphenyl)ethenyl)-6-dion (e)-1h-purine-3 |
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