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