4-Amino-6-cyano-3-(difluoromethyl)pyridine-2-sulfonamide
4-Chloro-3-(difluoromethyl)-2-methyl-5-(trifluoromethoxy)pyridine
2-Cyano-4-(trifluoromethoxy)-6-(trifluoromethyl)pyridine-3-methanol
Methyl 2-(difluoromethyl)-3-hydroxy-4-methoxypyridine-6-acetate