2-(Difluoromethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylic acid
5-(Difluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-2-methanol
2-(Difluoromethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine-3-carboxylic acid
Ethyl 3-(difluoromethyl)-5-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylate