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