4-(Fluoromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylic acid
3-(Fluoromethyl)-4-hydroxy-6-(trifluoromethoxy)pyridine-2-acetic acid
5-Hydroxy-2-methyl-3-(trifluoromethoxy)pyridine-6-sulfonamide
3-(Fluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-6-carboxylic acid