Quenching of the fluorescence of pterin derivatives by anions.
D000838:Anions / Q000737:chemistry; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D015394:Molecular Structure; D010782:Photolysis; D011622:Pterins / Q000737:chemistry*; D013050:Spectrometry, Fluorescence / Q000379:methods
D000838:Anions; D011622:Pterins