3-Amino-6-(aminomethyl)-4-(difluoromethyl)pyridine-2-acetic acid
5-Amino-3-(chloromethyl)-2-(difluoromethyl)-4-(trifluoromethyl)pyridine
2-Amino-4-(chloromethyl)-5-(difluoromethyl)pyridine-3-carboxaldehyde
Ethyl 2-amino-6-(aminomethyl)-3-(difluoromethyl)pyridine-4-acetate