Methyl 4-(chloromethyl)-3-(difluoromethyl)-5-fluoropyridine-2-acetate
Methyl 6-(aminomethyl)-3-(difluoromethyl)-2-fluoropyridine-4-carboxylate
Methyl 5-(chloromethyl)-3-(difluoromethyl)-2-fluoropyridine-4-acetate
Methyl 2-(aminomethyl)-3-(difluoromethyl)-4-fluoropyridine-6-carboxylate