Bis-Biotin-PEG23

Smiles Code: O=C1N[C@@]2([H])CS[C@@H](CCCCC(NCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCNC(CCCC[C@@H]3SC[C@@]4(NC(N[C@]34[H])=O)[H])=O)=O)[C@@]2([H])N1