2-(Aminomethyl)-4-(difluoromethyl)-6-(trifluoromethoxy)pyridine-3-sulfonamide
4-Amino-3-(chloromethyl)-5-(difluoromethyl)pyridine
2-(Aminomethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-6-sulfonamide
4-(Bromomethyl)-5-(difluoromethyl)-2-(trifluoromethoxy)-3-(trifluoromethyl)pyridine