13479-29-3 1H-Purine-2,6-dione, 3,7-dihydro-3-hydroxy- 1H-Purine-2,6-dione, 3,7-dihydro-3-hydroxy- (9CI) 3,7-Dihydro-3-hydroxy-1H-purine-2,6-dione 3-Hydroxyxanthine 64038-49-9 CCRIS 343 N-Hydroxyxanthine NSC 145424 Xanthine, 3-hydroxy- Xanthine-3-N-oxide Xanthine-x-N-oxide