3-Cyano-6-(difluoromethyl)-4-methoxy-2-(trifluoromethoxy)pyridine
5-Cyano-2-(difluoromethyl)-3-methoxy-4-(trifluoromethoxy)pyridine
4-Cyano-5-(difluoromethyl)-3-methoxy-2-(trifluoromethoxy)pyridine
Methyl 3-chloro-4-fluoro-2-(trifluoromethoxy)pyridine-6-carboxylate