1H-Purine-2,6-dione, 3,7-dihydro-8-chloro-1,3-dimethyl-7-(2-nitrophenyl)- 3,7-Dihydro-8-chloro-1,3-dimethyl-7-(2-nitrophenyl)-1H-purine-2,6-dione 5-26-14-00136 (Beilstein Handbook Reference) 72898-63-6 8-Cloro-7-(2-nitrofenil)teofillina [Italian] BRN 1229994 Theophylline, 8-chloro-7-(o-nitrophenyl)-