The molecule is a pyranonaphthoquinone antibiotic from strain OS-3966 of Streptomyces rosa var. notoensis. It has a role as a bacterial metabolite. It is a benzoisochromanequinone, an organooxygen heterocyclic antibiotic, a member of p-quinones and a monocarboxylic acid.
2-[(1S,3R)-9-hydroxy-1-methyl-5,10-dioxo-3,4-dihydro-1H-benzo[g]isochromen-3-yl]acetic acid