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