DBCO-PEG4-DBCO

Smiles Code: O=C(CCOCCOCCOCCOCCC(NCCC(N1CC2=C(C=CC=C2)C#CC3=C1C=CC=C3)=O)=O)NCCC(N4CC5=C(C=CC=C5)C#CC6=C4C=CC=C6)=O