2-Cyano-5-(difluoromethyl)-4-fluoropyridine-3-sulfonyl chloride
Methyl 4-(aminomethyl)-2-chloro-6-(difluoromethyl)pyridine-3-acetate
4-Cyano-3-(difluoromethyl)-5-fluoropyridine-2-sulfonamide
Methyl 6-(aminomethyl)-3-chloro-2-(difluoromethyl)pyridine-4-acetate