Methyl 2-hydroxynicotinate

2-羟基烟酸甲酯

2-溴吡啶-4-羧酸乙酯, Ethyl 2-bromoisonicotinate

5-氟吡啶-2-甲酸甲酯, Methyl 5-Fluoropyridine-2-carboxylate

Methyl 3-(Chlorosulfonyl)-4-(isopropylsulfonyl)-2-thiophenecarboxylate

甲基 3-氯磺酰基-4-(异丙基磺酰基)噻吩-2-羧酸酯

5-氨基吡咯-2-甲酸乙酯, Ethyl 5-Amino-1H-pyrrole-2-carboxylate

Ethyl {2-[(Chloroacetyl)amino]-1,3-thiazol-4-yl}acetate

2-(2-氯乙酰氨基)-4-噻唑乙酸乙酯

Methyl 1,5-dimethyl-1H-pyrazole-3-carboxylate

1,5-二甲基吡唑-3-甲酸甲酯

Ethyl 2-amino-4-methylpyrimidine-5-carboxylate

2-氨基-4-甲基嘧啶-5-羧酸乙酯

Methyl 6-chloropyridazine-3-carboxylate

6-氯哒嗪-3-甲酸甲酯

5-氨基苯并呋喃-2-甲酸乙酯, Ethyl 5-Amino-1-benzofuran-2-carboxylate