英文名称: | 1h-purine-2,6-dione, 3,7-dihydro-1,3-dipropyl-7-methyl-8-(2-(3,4,5-trimethoxyph | ( e)-enyl)ethenyl) | (e)-7-methyl-1,3-dipropyl-8-(3,4,5-trimethoxystyryl)xanthine | 7-dihydro-1,3-dipropyl-7-methyl-8-(2-(3,4,5-trimethoxyphenyl)ethenyl)-6-dion( e)-1h-purine-3 |
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