(E)-1,3-Diethyl-8-(2-(4,5-dimethoxy-2-nitrophenyl)ethenyl)-3,7-dihydro-1H-purine-2,6-dione (E)-8-(4,5-Dimethoxy-2-nitrostyryl)-1,3-diethylxanthine 155271-54-8 1H-Purine-2,6-dione, 3,7-dihydro-1,3-diethyl-8-(2-(4,5-dimethoxy-2-nitrophenyl)ethenyl)-, (E)-