The molecule is a meroterpenoid found in Penicillium rubrum and has been shown to exhibit inhibitory activity against caspase-1. It has a role as a cysteine protease inhibitor and a Penicillium metabolite. It is a cyclic terpene ketone, a meroterpenoid, a carbotricyclic compound, a tertiary alcohol, a methyl ester, a beta-diketone, a dicarboxylic acid monoester and a tertiary alpha-hydroxy ketone.
3-[(1R,2S,6S,7S,9R,11S)-11-hydroxy-1-methoxycarbonyl-2,6,9,11-tetramethyl-13-methylidene-10,12-dioxo-5-prop-1-en-2-yl-6-tricyclo[7.3.1.02,7]tridec-4-enyl]propanoic acid