SMILES: C[C@]12C[C@@H](C[C@H](O1)C3=C(O2)C=C4C(=C3O)C(=O)C5=C(O4)C=CC=C5OC)O
Description: The molecule is a bridged organic heteropentacyclic compund that is 3,4,5,6-tetrahydro-2H,8H-2,6-epoxyoxocino[3,2-b]xanthen-8-one substituted by hydroxy groups at positions 4 and 7, a methoxy group at position 9 and a methyl group at position 2 (the 2S,4R,6S stereoisomer). It is isolated from the marine derived fungus Chaetomium and has antiprotozoal activity. It has a role as a metabolite and an antiprotozoal drug. It is a member of phenols, an organic heteropentacyclic compound, a cyclic ketone, a bridged compound and a cyclic ketal.