Methyl 2-(bromomethyl)-5-hydroxy-3-(trifluoromethoxy)pyridine-6-carboxylate
2-(Difluoromethyl)-6-hydroxy-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
Methyl 3-hydroxy-6-nitro-2-(trifluoromethoxy)pyridine-4-carboxylate
2-(Bromomethyl)-3-hydroxy-4-(trifluoromethoxy)pyridine-5-carboxylic acid