4-Amino-2-(difluoromethyl)-5-(trifluoromethoxy)pyridine-3-carboxaldehyde
4-Amino-6-(chloromethyl)-2-(trifluoromethoxy)pyridine-3-acetonitrile
3-Amino-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
5-Amino-4-(chloromethyl)-2-(trifluoromethoxy)pyridine-3-acetonitrile