Methyl 2-chloro-3-(fluoromethyl)-5-(trifluoromethoxy)pyridine-4-acetate
3-(Aminomethyl)-2-cyano-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine
Methyl 4-amino-5-fluoro-2-(trifluoromethoxy)pyridine-3-acetate
4-Cyano-2-(difluoromethyl)-6-iodopyridine-3-acetic acid