The molecule is a member of the class of benzoisochromanequinone that is produced by Streptomyces coelicolor A3(2) and exhibits antibiotic activity. It has a role as a bacterial metabolite and an antimicrobial agent. It is a benzoisochromanequinone, a polyketide, a dicarboxylic acid, a polyphenol, a ring assembly and a member of p-quinones. It is a conjugate acid of an actinorhodin(3-).
2-[(1R,3S)-8-[(1R,3S)-3-(carboxymethyl)-5,6,9,10-tetrahydroxy-1-methyl-3,4-dihydro-1H-benzo[g]isochromen-8-yl]-1-methyl-5,6,9,10-tetraoxo-3,4-dihydro-1H-benzo[g]isochromen-3-yl]acetic acid