SMILES: CC1(C=CC2=C(O1)C=C(C3=C2OC4=C(C3=O)C=CC(=C4O)O[C@H]5[C@@H](OC6=C5C7=C(C(=C6)O)C(=O)C8=C(O7)C(=C(C=C8)O)O)C(C)(C)O)O)C
Description: The molecule is a member of the class of pyranoxanthones isolated from Hypericum japonicum. It has been found to exhibit inhibitory activity against platelet-activating factor (PAF)-induced hypertension. It has a role as an antineoplastic agent. It is a member of pyranoxanthones and a polyphenol.