4-(Difluoromethyl)-3-hydroxy-5-(trifluoromethoxy)pyridine-2-acetonitrile
5-(Difluoromethyl)-3-hydroxy-2-(trifluoromethoxy)pyridine-4-acetonitrile
3-Hydroxy-2-(trifluoromethoxy)-5-(trifluoromethyl)pyridine-4-carboxylic acid
Ethyl 2-hydroxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-carboxylate