2-氨基-6-(2-羧基乙基)吡啶

2-氨基吡啶-6-甲醛

1-Deoxy-1-<(6-carboxyethyl-2-pyridyl)amino>-D-glucitol

ethyl 5-formyl-3-nitroimidazo[1,2-a]pyridine-2-carboxylate

Ethyl 2-ethoxycarbonyl-3-(6-tritylamino-2-pyridyl)acrylate