Methyl 3-Amino-4-(isopropylsulfonyl)thiophene-2-carboxylate

Ethyl 2-Phenyl-1,3-oxazole-4-carboxylate

甲基 3-溴吡嗪-2-羧酸酯, Methyl 3-Bromopyrazine-2-carboxylate

Methyl 2-oxo-2H-pyran-3-carboxylate

2-氧代-2H-吡喃-3-甲酸甲酯

Ethyl 4-(Trifluoromethyl)-1-benzothiophene-2-carboxylate

Ethyl 6-Bromo-1-benzothiophene-2-carboxylate

methyl 2-oxoindoline-5-carboxylate

2-氧代吲哚-5-甲酸甲酯

Methyl isoquinoline-3-carboxylate

3-异喹啉甲酸甲酯

Methyl Morpholin-2-ylacetate hydrochloride

Ethyl 3-oxocyclohexanecarboxylate

3-氧代环己烷甲酸乙酯

甲基 3-羰基-3,4-二氢-2H-1,4-苯并噻嗪-6-羧酸酯, Methyl 3-oxo-3,4-dihydro-2H-1,4-benzothiazine-6-carboxylate