CC(=O)ONC1C(C)OC(O[C@H]2C/C=C(\C)[C@@H]3C=C[C@@H]4[C@@H](O)[C@@H](C)C[C@H](C)[C@H]4[C@]3(C)C(=O)C3=C(O)[C@@]4(C[C@@H](C)C(CO)=C[C@H]4/C=C/2C)OC3=O)CC1(C)[N+](=O)[O-] O-β-kijanosyl-(1→17)-kijanolide