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