3-(Chloromethyl)-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-sulfonyl chloride
2-(Aminomethyl)-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine-5-sulfonamide
4-(Chloromethyl)-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-3-sulfonyl chloride
6-(Aminomethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-acetonitrile