6-氯-2-甲基-ALPHA-氧代-1H-吡咯并[2,3-B]吡啶-3-乙酸甲酯

2-[(4-碘苯基)氨基]-2-氧代乙酸甲酯

methyl 2-iodo-2-oxoacetate

methyl 2-(2-benzoylanilino)-2-oxoacetate

methyl 2-(4-fluoroanilino)-2-oxoacetate