(E)-8-(2,4-Dimethoxystyryl)-1,3-dipropylxanthine (E)-8-(2-(2,4-Dimethoxyphenyl)ethenyl)-1,3-dipropyl-3,7-dihydro-1H-purine-2,6-dione 151539-22-9 1H-Purine-2,6-dione, 3,7-dihydro-8-(2-(2,4-dimethoxyphenyl)ethenyl)-1,3-dipropyl-, (E)-