(E)-8-(4-Benzyloxy-3,5-dimethoxystyryl)-1,3-dipropylxanthine 151539-24-1 1H-Purine-2,6-dione, 3,7-dihydro-8-(2-(3,5-dimethoxy-4-(phenylmethoxy)phenyl)ethenyl)-1,3-dipropyl-, (E)-