1H-Purine-2,6-dione, 2,3,6,7-tetrahydro-8-((4-chlorophenyl)methyl)-1,3-dimethyl- 2,3,6,7-Tetrahydro-1,3-dimethyl-8-((4-chlorophenyl)methyl)-1H-purine-2,6-dione Theophylline, 8-(p-chlorobenzyl)- UO8445150