Methyl 2-amino-5-(bromomethyl)-6-(difluoromethyl)pyridine-3-carboxylate
2-Amino-4-(difluoromethyl)-6-methylpyridine-3-sulfonamide
Methyl 6-amino-3-(bromomethyl)-4-(difluoromethyl)pyridine-2-carboxylate
Methyl 6-amino-4-(bromomethyl)-2-(difluoromethyl)pyridine-3-carboxylate