3-羟基噻吩-2-甲酸甲酯, Methyl 3-hydroxythiophene-2-carboxylate

2-甲基噻吩-3-甲酸甲酯, Methyl 2-Methylthiophene-3-carboxylate

3-磺酰氨基-2-噻吩羧酸甲酯, Methyl 3-(Aminosulfonyl)thiophene-2-carboxylate

Methyl [5-(Chloroacetyl)-1-methyl-1H-pyrrol-2-yl]acetate

Methyl 3-Methyl-5-(5-methylisoxazol-3-yl)isoxazole-4-carboxylate

2-甲基-4-噁唑甲酸乙酯, Ethyl 2-Methyl-1,3-oxazole-4-carboxylate

Ethyl 5-amino-1H-pyrazole-3-carboxylate

5-氨基-吡唑-3-甲酸乙酯

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

2-氨基-4-甲基嘧啶-5-羧酸乙酯

Ethyl 6-Oxo-1,6-dihydropyridazine-3-carboxylate

Ethyl 3-Pyridin-4-yl-1,2,4-oxadiazole-5-carboxylate