The molecule is a 24-membered cyclodepsipeptide isolated from the cyanobacterium, Lyngbya sp. It exhibits strong cytotoxicity against KB human nasopharyngeal carcinoma cells. It has a role as a metabolite and an antineoplastic agent. It is a cyclodepsipeptide and a macrocycle.
(3S,6S,12R,15S,18R,21E,24S)-12-benzyl-6-[(2R)-butan-2-yl]-24-[(2R,3R)-3-hydroxyoct-7-yn-2-yl]-3,4,10,13,15,21-hexamethyl-18-(2-methylpropyl)-1,19-dioxa-4,7,10,13,16-pentazacyclotetracos-21-ene-2,5,8,11,14,17,20-heptone