5-(Difluoromethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylic acid
4-(Difluoromethyl)-5-fluoro-2-(trifluoromethoxy)pyridine-3-carboxylic acid
5-(Aminomethyl)-4-fluoro-2-(trifluoromethoxy)pyridine-3-acetonitrile
4-(Difluoromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine-2-carboxylic acid