甲基(4R)-4-氟-5-氧代-L-脯氨酸酯

(2S,4S)-1-acetyl-4-hydroxyproline methyl ester

2-氨基-4-氟-5-甲氧基-5-氧代戊酸

Methyl 1-acetyl-trans-4-fluoro-D-pyrrolidin-5-one-2-carboxylate

N-acetyl-4(R)-fluoro-L-proline methyl ester