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