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