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