4-Amino-3-(chloromethyl)-2-hydroxy-5-(trifluoromethoxy)pyridine
2-Bromo-5-chloro-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine
5-Amino-2-(fluoromethyl)-3-iodo-6-(trifluoromethoxy)pyridine
2-Bromo-5-chloro-4-(fluoromethyl)-3-(trifluoromethoxy)pyridine