1H-Purine-2,6-dione, 3,7-dihydro-7-methyl- 1H-Purine-2,6-dione, 3,7-dihydro-7-methyl- (9CI) 3,7-Dihydro-7-methyl-1H-purine-2,6-dione 552-62-5 7-Methylxanthin 7-Methylxanthine CCRIS 5818 EINECS 209-019-0 Heteroxanthin Heteroxanthine (8CI) NSC 7861 Xanthine, 7-methyl-