4-(Difluoromethyl)-2-hydroxy-3-iodopyridine-6-carboxylic acid
2-(Difluoromethyl)-4-hydroxy-6-iodopyridine-3-carboxylic acid
Methyl 6-(difluoromethyl)-3-fluoro-4-(trifluoromethyl)pyridine-2-acetate
Methyl 6-(difluoromethyl)-4-fluoro-3-(trifluoromethyl)pyridine-2-acetate