英文名称: | 6-dione, 3,7-dihydro-1,3-dipropyl-8-(2-(4-ethoxyphenyl)ethenyl)-1h-purine- ( | (e)-1,3-dipropyl-8-(2-(4-ethoxyphenyl)ethenyl)-3,7-dihydro-1h-purine-2,6 -dio | (e)-8-(4-ethoxystyryl)-1,3-dipropylxanthine | 7-dihydro-1,3-dipropyl-8-(2-(4-ethoxyphenyl)ethenyl)-6-dion (e)-1h-purine-3 |
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