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