N-(Triphenylphosphonioethoxycarbonyl)-L-valyl-D-lactoyl-L-valyl-D-lactoyl-L-valyl-D-lactic acid-4-nitrophenyl-thioester chloride

N-(Triphenylphosphonioethoxycarbonyl)-L-valyl-D-lactoyl-L-valyl-D-lactoyl-L-valyl-D-lactic acid chloride