methyl 6-[(4-methylphenyl)sulfonylamino]pyridine-3-carboxylate

2-(2,2,2-三氟-乙酰基氨基)-咪唑并[1,2-a]吡啶-6-羧酸甲酯

6-乙酰氨基烟酸甲酯

3-acetoxy-2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-7-carboxylic acid

6-氰基吡啶-3-甲酸甲酯