methanol
1-hydroxy-2-oxo-3-[(carboxymethyl)oxy]-6-pyridinecarboxylic acid
benzyl bromide
2-bromo-3-[(carboxymethyl)oxy]-6-carboxypyridine-N-oxide
2-bromo-3-[(carboxymethyl)oxy]-6-pyridinecarboxylic acid
1-benzyloxy-2-oxo-3-[(carboxymethyl)oxy]-6-pyridinecarboxylic acid 6-methyl ester
N,N''-bis[1-benzyloxy-2-oxo-3-[(carboxyamidomethyl)oxy]-6-(methoxycarbonyl)pyridine]-N'-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]-bis(2-aminoethyl)amine
N,N''-bis[1-benzyloxy-2-oxo-3-[(carboxyamidomethyl)oxy]-6-carbonyl(2-mercaptothiazolide)pyridine]-N'-[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]-bis(2-aminoethyl)amine