英文名称: | 6-dione, 3,7-dihydro-1,3-diethyl-8-(2-(4-hydroxyphenyl)ethenyl)-1h-purine- ( | (e)-1,3-diethyl-8-(2-(4-hydroxyphenyl)ethenyl)-3,7-dihydro-1h-purine-2,6 -dio | (e)-1,3-diethyl-8-(4-hydroxystyryl)xanthine | 7-dihydro-1,3-diethyl-8-(2-(4-hydroxyphenyl)ethenyl)-6-dion (e)-1h-purine-3 |
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