(E)-7-Methyl-8-(3,4-methylenedioxystyryl)-1,3-dipropylxanthine 151539-62-7 1H-Purine-2,6-dione, 3,7-dihydro-8-(2-(1,3-benzodioxol-5-yl)ethenyl)-1,3-dipropyl-7-methyl-, (E)-