2-氯-6-甲基烟酸乙酯

4-氯-6-甲基烟酸甲酯

2-(2-methoxyphenoxy)-6-methylpyridine-3-carboxylic acid

9-methoxy-2-methylchromeno[2,3-b]pyridin-5-one

6-methyl-2-(4-morpholin-4-ylanilino)pyridine-3-carboxylic acid