ChEBI: Isodrummondin D is a chromenol that is a derivative of filicinic acid and is isolated from the stems and leaves of Hypericum drummondii. It has been found to exhibit antibacterial activity against Gram-positive bacteria Staphylococcus aureus and Bacillus subtilis and the acid fast bacterium Mycobacterium smegmatis. It has a role as a metabolite and an antibacterial agent. It is a chromenol, an enol, an enone, a methyl ketone and an aromatic ketone. It is functionally related to a filicinic acid.