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