Methyl 5-fluoro-4-nitro-3-(trifluoromethoxy)pyridine-2-acetate
Methyl 4-cyano-2-methoxy-3-(trifluoromethoxy)pyridine-6-carboxylate
Methyl 2-(aminomethyl)-3-cyano-5-(trifluoromethoxy)pyridine-4-acetate
3-(Aminomethyl)-6-cyano-2-(trifluoromethoxy)pyridine-4-acetic acid