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