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