2-AMINO-4-PTERIDINOL, PTERIN, pteridoxamine, 2-amino-4(3H)-pteridinone, 2-Amino-4-hydroxypteridine 2-Amino-4-oxodihydropteridine, 2-Amino-4-hydroxy-1H-pteridine, PTERINE, 4(1H)-Pteridinone, 2-amino-, 4-oxopterin, 2-amino-4-oxo-3H-pteridine, 2-aminopteridin-4(3H)-one, 2-amino-4(1h)-pteridinon, 2-amino-1H-pteridin-4-one, 2-aminopteridin-4(1H)-one, 2-Aminopteridin-4-ol, 2-Amino-4-oxodihyd