Methyl 2-amino-6-(difluoromethyl)pyridine-4-carboxylate
2-(Aminomethyl)-5-(difluoromethyl)-3-(trifluoromethoxy)pyridine-4-sulfonamide
6-(Aminomethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-2-sulfonamide
2-(Aminomethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-sulfonamide