(E)-1,3-Diethyl-8-(3,4-methylenedioxystyryl)xanthine (E)-8-(2-(1,3-Benzodioxol-5-yl)ethenyl)-1,3-diethyl-3,7-dihydro-1H-purine-2,6-dione 155271-12-8 1H-Purine-2,6-dione, 3,7-dihydro-8-(2-(1,3-benzodioxol-5-yl)ethenyl)-1,3-diethyl-, (E)-