The molecule is a gamma-lactam that is an unusual red pigment isolated from the marine sponge Trikentrion laeve. It has been shown to exhibit anti-HIV1 activity. It has a role as a marine metabolite, an animal metabolite and an anti-HIV-1 agent. It is a pyrroline, a gamma-lactam, a tertiary alcohol and a diol.
5-[(1S,3R)-6-ethyl-1-hydroxy-1,3,4,7-tetramethyl-2,3-dihydroinden-5-yl]-3-[5-[(1R,3S)-6-ethyl-1-hydroxy-1,3,4,7-tetramethyl-2,3-dihydroinden-5-yl]-2-hydroxy-1H-pyrrol-3-yl]pyrrol-2-one