(E)-8-(2-(3,5-Dimethoxyphenyl)ethenyl)-1,3-dipropyl-3,7-dihydro-1H-purine-2,6-dione (E)-8-(3,5-Dimethoxystyryl)-1,3-dipropylxanthine 147700-47-8 1H-Purine-2,6-dione, 3,7-dihydro-8-(2-(3,5-dimethoxyphenyl)ethenyl)-1,3-dipropyl-, (E)-