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