3-(Difluoromethyl)-2-nitro-4-(trifluoromethoxy)pyridine-6-carboxaldehyde
Methyl 3-(bromomethyl)-6-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-4-acetate
5-(Difluoromethyl)-4-nitro-2-(trifluoromethoxy)pyridine-3-carboxaldehyde
Methyl 4-(bromomethyl)-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine-3-acetate