Ethyl 4-amino-5-(aminomethyl)-2-(difluoromethyl)pyridine-3-acetate
Methyl 6-amino-2-(aminomethyl)-3-(difluoromethyl)pyridine-4-acetate
3-Amino-5-(bromomethyl)-2-(difluoromethyl)-4-(trifluoromethyl)pyridine
3-Amino-4-(bromomethyl)-2-(difluoromethyl)-5-(trifluoromethyl)pyridine