CO[C@@H](/C=C/C=C(\C)C[C@H](C)C(=O)O)[C@@H]1O[C@]2(C[C@@H](O)[C@H](C)[C@@H](C(C)C)O2)[C@@H](C)[C@H](O)[C@@H]1C	streptospirodienoic acid E