SMILES: C[C@H]1C[C@@H]([C@@H]2C(=O)C3=C(C=C(C=C3O[C@@]2([C@H]1O)C)OC)O)O
Description: The molecule is a member of the class of xanthones that is 1,2,3,4,4a,9a-hexahydro-9H-xanthen-9-one substituted by hydroxy groups at positions 1, 4 and 8, methyl groups at positions 3 and 4a and a methoxy group at position 6 (the 1S,3S,4S,4aS,9aS stereoisomer). Isolated from the marine algicolous fungus Monodictys putredinis, it exhibits antineoplastic activity. It has a role as a metabolite and an antineoplastic agent. It is a member of phenols, an aromatic ether and a secondary alcohol.