Bis-NH2-PEG2 - CAS# 929-59-9 2801653 dihydrochloride Smiles: C[C@@H]1O[C@H](C[C@H](N)[C@@H]1O)O[C@H]1C[C@@](O)(CC2=C1C(O)=C1C(=O)C3=C(C=CC=C3C(=O)C1=C2O)OC)C(=O)CO
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