1-ethyl-8-phenyl-3,7-dihydro-1H-purine-2,6-dione 1H-purine-2,6-dione, 1-ethyl-3,7-dihydro-8-phenyl- InChI=1/C13H12N4O2/c1-2-17-12(18)9-11(16-13(17)19)15-10(14-9)8-6-4-3-5-7-8/h3-7H,2H2,1H3,(H,14,15)(H,16,19