Ethyl 6-amino-2-(bromomethyl)-4-(difluoromethyl)pyridine-3-carboxylate
5-Amino-2-(aminomethyl)-4-(difluoromethyl)-3-(trifluoromethyl)pyridine
Methyl 5-amino-2-(bromomethyl)-3-(difluoromethyl)pyridine-4-carboxylate
2-Bromo-4-chloro-6-(difluoromethyl)-3-methylpyridine