SMILES: C[C@H]1C[C@@H](O[C@@]12CC[C@]3([C@H]2C/C=C(\\[C@@H]4[C@H](C3)[C@](CC4=O)(C)O)/C=O)C)C=C(C)C
Description: The molecule is a sesterterpenoid that is ophiobolane with a hydroxy group at position 3, oxo groups at positions 5 and 25, double bonds at positions 7-8 and 19-20, and an oxygen link between positions 14 and 18. It is an oxaspiro compound, an enal, a cyclic ketone, a tertiary alcohol and a sesterterpenoid. It derives from a hydride of an ophiobolane.