3-Chloro-2-cyano-4-(trifluoromethoxy)pyridine-6-carboxylic acid
3-(Aminomethyl)-4-bromo-2-iodo-6-(trifluoromethoxy)pyridine
3-Bromo-5-nitro-2-(trifluoromethoxy)pyridine-4-carboxylic acid
2-Chloro-6-cyano-5-(trifluoromethoxy)pyridine-3-carboxylic acid