4-(Difluoromethyl)-3-hydroxy-6-methyl-2-(trifluoromethoxy)pyridine
3-(Chloromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylic acid
4-(Difluoromethyl)-3-hydroxy-2-methyl-6-(trifluoromethoxy)pyridine
3-(Chloromethyl)-2-hydroxy-6-(trifluoromethoxy)pyridine-4-carboxylic acid