(S)-(-)-2-氯丙酸甲酯

(2R)-6-氯-2-甲基-8-硝基-2H-1,4-苯并噁嗪-3(4h)-酮

5-甲基-4-氧代四氢呋喃-3-羧酸甲酯

Methyl 2-(1,3-dioxo-1,3-dihydro-2H-isoindol-2-yl)propanoate

methyl (2S)-2-acetyloxypropanoate