4-Amino-6-(chloromethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine
2-Bromo-4-(chloromethyl)-5-cyano-3-(trifluoromethoxy)pyridine
3-Amino-5-(fluoromethyl)-4-nitro-2-(trifluoromethoxy)pyridine
3-Amino-4-(fluoromethyl)-5-nitro-2-(trifluoromethoxy)pyridine