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