N-[(2-Chloro-3-pyridinyl)carbonyl]phenylalanine

(2S)-2-[(2-氯吡啶-3-羰基)氨基]戊烷二酸

2-(4-methoxyanilino)pyridine-3-carbohydrazide

2-氯-N-异戊基-烟酰胺

2-sulfopyridine-3-carboxylic acid