3-Chloro-4-(difluoromethyl)-2-fluoropyridine-5-sulfonyl chloride
4-(Aminomethyl)-5-chloro-2-(difluoromethyl)-3-fluoropyridine
3-Chloro-2-(difluoromethyl)-6-fluoropyridine-4-sulfonyl chloride
4-(Aminomethyl)-5-chloro-3-(difluoromethyl)-2-fluoropyridine