| 英文名称: | | (e)-7-methyl | | (e)-1,3-diethyl-8-(2-(2,5-dimethylphenyl)ethenyl)-7-methyl-3,7-dihydro-1 h-pu | | rine-2,6-dione | | (e)-8-(2,5-dimethylstyryl)-1,3-diethyl-7-methylxanthine | | 7-dihydro-1,3-diethyl-8-(2-(2,5-dimethylphenyl)ethenyl)-7-methyl-6-dion(e)-1h-purine-3 |
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