SMILES: CC1(C=CC2=C(C3=C(C(=C2O1)CC([C@H]4C(O4)(C)C)O)OC5=C(C3=O)C=C(C=C5)O)O)C
Description: The molecule is a member of the class of pyranoxanthones that is 2H,6H-pyrano[3,2-b]xanthen-6-one substituted by a 2-[(2S)-3,3-dimethyloxiran-2-yl]-2-hydroxyethyl group at position 12, hydroxy groups at positions 5 and 8 and geminal methyl groups at position 2. It is isolated from the stem bark of Calophyllum brasiliense and exhibits significant inhibitory activity against 12-O-tetradecanoylphorbol-13-acetate induced Epstein-Barr virus early antigen activation in Raji cells. It has a role as a metabolite and an antineoplastic agent. It is a polyphenol, a member of pyranoxanthones, an epoxide and a secondary alcohol.