Methyl 6-Chloro-5-iodonicotinate

6-(Methoxycarbonyl)pyridine-2-carboxylic acid

2,6-吡啶二甲酸单甲酯

Methyl 5-fluoronicotinate

5-氟吡啶-3-甲酸甲酯

Dimethyl 4-aminothiophene-2,3-dicarboxylate hydrochloride

4-氨基噻吩-2,3-二羧酸二甲酯盐酸盐

Methyl 4-Methyl-1H-pyrrole-2-carboxylate

Ethyl 3-Furoate

3-呋喃羧酸乙酯

Ethyl 2-(methylamino)-1,3-thiazole-4-carboxylate

methyl 2-amino-1,3-thiazole-5-carboxylate

2-氨基噻唑-5-甲酸甲酯

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

1,5-二甲基吡唑-3-甲酸甲酯

Methyl 5-chloropyrazine-2-carboxylate

5-氯-2-吡嗪甲酸甲酯

2-(2-(苄氧基羰基氨基)丙-2-基)-5-羟基-6-氧代-1,6-二氢嘧啶-4-甲酸甲酯, Methyl 2-(1-{[(Benzyloxy)carbonyl]amino}-1-methylethyl)-5,6-dihydroxypyrimidine-4-carboxylate