(3R,9R,10R)-10-(2,4-Dihydroxy-phenyl)-8-(3,4-dihydroxy-phenyl)-2-(3-hydroxy-4-methoxy-phenyl)-3,4,9,10-tetrahydro-2H,8H-pyrano[2,3-f]chromene-3,5,9-triol AIDS-030358 AIDS030358 NSC626147