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