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