3-Fluoro-2-hydroxy-5-nitro-6-(trifluoromethoxy)pyridine
3-(Aminomethyl)-4-cyano-2-(trifluoromethoxy)pyridine-6-acetic acid
Methyl 3-cyano-5-nitro-6-(trifluoromethoxy)pyridine-2-acetate
3-(Aminomethyl)-2-cyano-6-(trifluoromethoxy)pyridine-4-acetic acid