Methylamino-PEG1-acid Size:Contact [email protected] for quotation Smiles: OC(=O)[C@H](CCCCNC(=O)CCCCCNC(=O)CCC1C=C(CN(CC(O)=O)CCN(CC2=CC(CCC(O)=O)=CC=C2O)CC(O)=O)C(O)=CC=1)NC(=O)N[C@@H](CCC(O)=O)C(O)=O
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