m-PEG8-ethoxycarbonyl-NHS ester Size:Contact [email protected] for quotation Smiles: C[C@@H]1O[C@@H](OC2=C(OC3=CC(O)=CC(O)=C3C2=O)C2C=CC(O)=CC=2)[C@H](O)[C@H](OC(C)=O)[C@H]1OC(C)=O
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