SMILES: C[C@@H]1[C@@H]2CC[C@]([C@@H](C2)OC1=O)(C)O
Description: The molecule is an organic heterobicyclic compound that is 2-oxabicyclo[3.3.1]nonan-3-one which has been substituted by an oxo group at position 3, methyl groups at positions 4 and 8, and by a hydroxy group at position 8 (the 1R,4R,5R,8S stereoisomer). Isolated from the plant endophytic fungus Pestalotiopsis foedan. It has a role as an antifungal agent and a fungal metabolite. It is a monoterpene, an organic heterobicyclic compound, a tertiary alcohol, a monoterpenoid and a delta-lactone.