Methyl 3-bromo-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine-5-carboxylate
6-Cyano-2-hydroxy-3-methoxy-4-(trifluoromethoxy)pyridine
3-Chloro-2-cyano-6-nitro-4-(trifluoromethoxy)pyridine
5-Bromo-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetic acid