英文名称: | 1h-purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-8-(2-(2,3,4-trimethoxyphenyl)ethe | (e)-1,3-dimethyl-8-(2-(2,3,4-trimethoxyphenyl)ethenyl)-3,7-dihydro-1h-pu rine | (e)-8-(2,3,4-trimethoxystyryl)theophylline | 7-dihydro-1,3-dimethyl-8-(2-(2,3,4-trimethoxyphenyl)ethenyl)-6-dion (e)-1h-purine-3 |
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