Ethyl 4-(Methylsulfonyl)benzoate

5-氯吡啶-2-甲酸乙酯, Ethyl 5-Chloropyridine-2-carboxylate

Ethyl 2-amino-4-(2-thienyl)thiophene-3-carboxylate

2-氨基-4-(2-噻吩基)噻吩-3-甲酸乙酯

Methyl 5-(3-Pyridinyloxy)-2-furoate

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

Ethyl 2-Methyl-1,3-thiazole-5-carboxylate

2-甲基噻唑-5-羧酸乙酯

Methyl 4-(1-Hydroxyiminoethyl)-5-methylisoxazole-3-carboxylate

5-甲基噁唑-4-甲酸乙酯, Ethyl 5-Methyloxazole-4-carboxylate

Methyl Pyrimidine-2-carboxylate

嘧啶-2-羧酸甲酯

methyl 2-(methylthio)pyrimidine-5-carboxylate

6-氯哒嗪3-羧酸乙酯, Ethyl 6-Chloropyridazine-3-carboxylate