4-(Difluoromethyl)-2-methoxy-3-(trifluoromethyl)pyridine-6-acetic acid
3-(Difluoromethyl)-5-methoxy-2-(trifluoromethyl)pyridine-4-carboxylic acid
6-(Aminomethyl)-4-(difluoromethyl)-2-methyl-3-nitropyridine
3-(Difluoromethyl)-4-methoxy-6-(trifluoromethyl)pyridine-2-carboxylic acid