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