2-N,2-N,6-N,6-N-tetraethylpyridine-2,6-dicarboxamide

2-N,6-N-bis(2-aminophenyl)pyridine-2,6-dicarboxamide

6-phenylmethoxycarbonylpyridine-2-carboxylate

6-(benzylcarbamoyl)pyridine-2-carboxylic acid

3,6,9,12-tetraoxa-18-azabicyclo[12.3.1]octadeca-1(18),14,16-triene-2,13-dione