SMILES: C1=C(C=C2C(=C1O)OC3=C(O2)C4=C(C(=C3)O)OC5=CC(=CC(=C5O4)O)O)O
Description: The molecule is a phlorotannin that is [1,4]benzodioxino[2,3-a]oxanthrene substituted by hydroxy groups at positions 1, 3, 6, 9 and 11. Isolated from the brown alga Ecklonia stolonifera, it exhibits radical scavenging activity. It has a role as a metabolite and a radical scavenger. It is a phlorotannin, an organic heteropentacyclic compound and an oxacycle. It derives from a phloroglucinol.