5-(Aminomethyl)-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-sulfonamide
3-(Aminomethyl)-5-(difluoromethyl)-4-(trifluoromethoxy)pyridine-2-sulfonamide
Methyl 6-(chloromethyl)-2-(difluoromethyl)-4-(trifluoromethoxy)pyridine-3-acetate
3-(Aminomethyl)-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-sulfonamide