Methyl 2-(difluoromethyl)-5-nitro-4-(trifluoromethoxy)pyridine-3-acetate
3-(Difluoromethyl)-6-methoxy-2-(trifluoromethoxy)pyridine-5-carboxaldehyde
2-(Bromomethyl)-3-methyl-5-nitro-6-(trifluoromethoxy)pyridine
Methyl 6-(difluoromethyl)-4-nitro-2-(trifluoromethoxy)pyridine-3-acetate