Methyl 2-(fluoromethyl)-5-hydroxy-6-(trifluoromethoxy)pyridine-3-acetate
4-(Difluoromethyl)-3-hydroxy-6-(trifluoromethoxy)pyridine-2-carboxylic acid
Methyl 6-(fluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-3-acetate
4-(Difluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylic acid