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