The molecule is an organobromine compound that is 2-bromobenzene-1,3-diol substituted at position 5 by a (2Z)-4-(4-bromo-2-hydroxy-5-methoxyphenyl)but-2-en-1-yl group. It is isolated from the Red Sea alga Colpomenia sinuosa and exhibits cytotoxicity towards P388, A549, HT-29 and CV-1 tumor cells. It has a role as a metabolite and an antineoplastic agent. It is a polyphenol, an organobromine compound and an aromatic ether.
2-bromo-5-[(Z)-4-(4-bromo-2-hydroxy-5-methoxyphenyl)but-2-enyl]benzene-1,3-diol