1H-Purine-2,6-dione, 3,7-dihydro-7-(4-amino-2-chlorophenyl)-1,3-dimethyl- 3,7-Dihydro-7-(4-amino-2-chlorophenyl)-1,3-dimethyl-1H-purine-2,6-dione 5-26-14-00037 (Beilstein Handbook Reference) 72898-65-8 BRN 1163301 Theophylline, 7-(4-amino-2-chlorophenyl)-