N-(Azido-PEG4)-N-bis(PEG4-NHS ester) Size:Contact [email protected] for quotation InChi: InChI=1S/C25H39N3O5/c1-16(2)12-20(14-29)26-23(30)21(13-17(3)4)27-24(31)22(18(5)6)28-25(32)33-15-19-10-8-7-9-11-19/h7-11
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