Methyl 2-cyano-6-fluoro-4-(trifluoromethoxy)pyridine-3-carboxylate
3-Chloro-5-(difluoromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine
5-Chloro-4-(difluoromethyl)-2-methoxy-3-(trifluoromethoxy)pyridine
3-Chloro-4-(difluoromethyl)-5-methoxy-2-(trifluoromethoxy)pyridine