Methyl 3-(bromomethyl)-2-fluoro-4-(trifluoromethoxy)pyridine-6-carboxylate
4-(Difluoromethyl)-2-hydroxy-5-nitro-3-(trifluoromethoxy)pyridine
5-(Difluoromethyl)-3-hydroxy-2-nitro-4-(trifluoromethoxy)pyridine
Methyl 2-(bromomethyl)-6-fluoro-3-(trifluoromethoxy)pyridine-5-carboxylate