The molecule is a tetracyclic diterpenoid that is decahydro-4H,9H-[2]benzofuro[7,1-fg]isochromene-4,9-dionewhich is substituted by methyl groups at the 3a and 10b positions and by hydroxy groups at the 6 and 6a positions. A tetranorlabdane diterpenoid isolated from isolated from the solid fermentation products of Botryosphaeria sp. P483 that exhibits antifungal activity. It has a role as an antifungal agent and a fungal metabolite. It is an organic heterotetracyclic compound, a tetracyclic diterpenoid and a delta-lactone.
(1S,7R,8R,9S,12S,16R)-7,8-dihydroxy-1,12-dimethyl-5,10-dioxatetracyclo[7.6.1.02,7.012,16]hexadec-2-ene-4,11-dione