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