1H-Purine-2,6-dione, 3,7-dihydro-8-chloro-1,3-dimethyl-7-(2-methylphenyl)- 3,7-Dihydro-8-chloro-1,3-dimethyl-7-(2-methylphenyl)-1H-purine-2,6-dione 5-26-14-00136 (Beilstein Handbook Reference) 72898-72-7 BRN 1161225 Theophylline, 8-chloro-7-o-tolyl-