CC1=C(O)C(=O)[C@@H]2CC(=O)[C@@]34C(=O)N[C@@H](Cc5c[nH]c6ccccc56)[C@@H]3C(C)=C(C)[C@@H](O)[C@@H]4/C=C/C[C@H](C)[C@@H]12	chaetoglobosin Vb