Ethyl 6-methyl-4-nitro-2-(trifluoromethoxy)pyridine-3-carboxylate
4-(Aminomethyl)-3-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
2-(Difluoromethyl)-3-methoxy-5-(trifluoromethoxy)pyridine-6-carboxaldehyde
4-(Aminomethyl)-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-carboxaldehyde