Azido-PEG8-azide PEG1-CH2CH2-NHS ester InChi: InChI=1S/C19H20O10/c20-6-11-15(25)17(27)18(28)19(29-11)13-10(23)5-9(22)12(16(13)26)14(24)7-1-3-8(21)4-2-7/h1-5
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