(R,S)-ethyl-2-(pyridin-2-yl-)thiazolidine-4-(R)-carboxylate

吡啶-2-羧硫酸胺

3-溴丙酮酸乙酯

2-吡啶甲酰胺

3-二氮杂-2-氧代丙酸乙酯