ProductDescription
8-armPEG-nitrophenylcarbonate(8-armPEG-NPC)聽isamultiarmPEGderivativewithpara-nitrophenylcarbonategroupsateachterminaloftheeightarmsconnectedtoonehexaglycerolcore.NPCisagoodleavinggroupwhichcanbeeasilysubstitutedbyamine-containinggroups.