2-Amino-4-cyano-6-methylpyrimidine
6-Chloropyridine-3-sulfonamide
3-Bromo-4,6-dimethyl-isothiazolo[5,4-b]pyridine
4-Iodopyridine-3-carboxylic acid
3,6-Dibromopyridazine
3-Aminopyridine-2-carboxylic acid
2-Aminoquinoxaline
aminopyrazine analog with potential use as chemiluminescence derivatization reagents for pyruvic acid.