(E)-8-(3,4-Bis(methoxymethoxy)styryl)-7-methyl-1,3-dipropylxanthine 155814-26-9 1H-Purine-2,6-dione, 3,7-dihydro-8-(2-(3,4-bis(methoxymethoxy)phenyl)ethenyl)-1,3-dipropyl-7-methyl-, (E)-