(E)-1,3-Dipropyl-8-(2-(4-ethoxyphenyl)ethenyl)-3,7-dihydro-1H-purine-2,6-dione (E)-8-(4-Ethoxystyryl)-1,3-dipropylxanthine 151539-41-2 1H-Purine-2,6-dione, 3,7-dihydro-1,3-dipropyl-8-(2-(4-ethoxyphenyl)ethenyl)-, (E)-