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