2-(2-Pyridyl)-4-methylthiazole-5-carboxylic acid2-(2-Pyridyl)-4-methylthiazole-5-carboxylic acid4-甲基-2-(2-吡啶基)噻唑-5-羧酸4-methyl-2-(pyridin-2-yl)thiazole-5-carboxylic acid4-methyl-2-pyridin-2-yl-1,3-thiazole-5-carboxylic acid4-methyl-2-(2-pyridinyl)-1,3-thiazole-5-carboxylic acid4-Methyl-2-(2-pyridyl)thiazole-5-carboxylic acid4-甲基-2-(2-吡啶基)噻唑-5-甲酸