6-Chloro-4-(chloromethyl)-2-hydroxy-3-(trifluoromethoxy)pyridine
4-Bromo-3-(fluoromethyl)-2-methyl-6-(trifluoromethoxy)pyridine
2-Bromo-6-(fluoromethyl)-3-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Chloro-3-(chloromethyl)-6-hydroxy-5-(trifluoromethoxy)pyridine