2-Fluoro-5-hydroxy-3-nitro-4-(trifluoromethoxy)pyridine
2-(Aminomethyl)-6-cyano-5-(trifluoromethoxy)pyridine-3-acetic acid
2-Cyano-3-nitro-6-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-(Aminomethyl)-6-cyano-3-(trifluoromethoxy)pyridine-5-acetic acid