1H-Purine-2,6-dione, 3,7-dihydro-7-(4-amino-2-methylphenyl)-1,3-dimethyl- 3,7-Dihydro-7-(4-amino-2-methylphenyl)-1,3-dimethyl-1H-purine-2,6-dione 5-26-14-00037 (Beilstein Handbook Reference) 72898-66-9 BRN 1159013 Theophylline, 7-(4-amino-o-tolyl)-