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