3-(Difluoromethyl)-2-hydroxy-6-nitro-5-(trifluoromethoxy)pyridine
Methyl 2-(bromomethyl)-6-fluoro-5-(trifluoromethoxy)pyridine-3-carboxylate
2-(Chloromethyl)-6-(difluoromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine
Methyl 2-(bromomethyl)-5-fluoro-3-(trifluoromethoxy)pyridine-6-carboxylate