Ethyl 2,3-Dihydroxybenzoate

Ethyl 2-chloroisonicotinate

2-氯异烟酸乙酯

Ethyl 4,6-dihydroxy-5-nitronicotinate

乙基4,6-二羟基-5-硝基烟酸酯

Methyl 2-amino-5-bromonicotinate

2-氨基-5-溴烟酸甲酯

Methyl 3-Bromothiophene-2-carboxylate

3-溴噻酚-2-羧酸甲酯

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

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

Methyl 3-Hydroxyisoxazole-5-carboxylate

3-羟基异恶唑-5-甲酸甲酯

Methyl 3-Chloropyrazine-2-carboxylate

3-氯吡嗪-2-甲酸甲酯

Methyl 6-oxo-1,6-dihydropyridazine-3-carboxylate

6-氧代-1,6-二氢哒嗪-3-甲酸甲酯

Ethyl 5-Phenyl-1,2,4-oxadiazole-3-carboxylate