Methyl 2-(aminomethyl)-3-(difluoromethyl)-4-fluoropyridine-6-carboxylate
Methyl 2-(chloromethyl)-5-(difluoromethyl)-6-fluoropyridine-3-acetate
4-(Chloromethyl)-3-(difluoromethyl)-5-fluoropyridine-2-acetic acid
2-(Aminomethyl)-3-(difluoromethyl)-4-fluoropyridine-5-acetic acid