5-(Fluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-2-carboxylic acid
3-(Fluoromethyl)-4-hydroxy-2-(trifluoromethoxy)pyridine-5-carboxylic acid
Ethyl 2-(bromomethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylate
3-(Fluoromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine-4-methanol