AIDS-160479 AIDS160479 Kobophenol A NSC631690 [3,4'-Bibenzofuran]-6,6'-diol, 3'-(3,5-dihydroxyphenyl)-4-[4-(3,5-dihydroxyphenyl)tetrahydro-2,5-bis(4-hydroxyphenyl)-3-furanyl]-2,2',3,3'-tetrahydro-2,2'-bis(4-hydroxyphenyl)-