4-Amino-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-Amino-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-Amino-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-6-carboxaldehyde
3-Amino-2-(fluoromethyl)-5-nitro-4-(trifluoromethoxy)pyridine