2-Cyano-6-methyl-5-(trifluoromethoxy)pyridine-3-sulfonamide
5-Cyano-2-(difluoromethyl)-4-(trifluoromethoxy)-3-(trifluoromethyl)pyridine
2-Cyano-6-methyl-3-(trifluoromethoxy)pyridine-5-sulfonamide
4-Cyano-5-(difluoromethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine