2,4,6-Trihydroxypteridine 2,4,7(1H,3H,8H)-Pteridinetrione (8CI)(9CI) 2,4,7-Pteridinetriol 2,4,7-Trihydroxypteridine 2577-38-0 7-Hydroxylumazine Isoxantholumazine Lumazine, 7-hydroxy- NSC 405591 Violapterin