The molecule is a cytochalasan alkaloid found in Chaetomium globosum. It has a role as an antineoplastic agent and a Chaetomium metabolite. It is a cytochalasan alkaloid, a member of indoles, a macrocycle and a secondary alpha-hydroxy ketone.
(1R,3E,6R,7E,9S,11E,13R,14S,15R,16S,17R,18S)-6,14,15-trihydroxy-18-(1H-indol-3-ylmethyl)-7,9,15,16-tetramethyl-19-azatricyclo[11.7.0.01,17]icosa-3,7,11-triene-2,5,20-trione