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