10H,20H-9,5:19,15-Dimethenodibenzo[a,i]cyclohexadecene-10,20-dione, 1,11-bis(2,4-dihydroxyphenyl)-1,2,4a,10a,11,12,14a,20a-octahydro-6,8,16,18-tetrahydroxy-3,13-dimethyl- AIDS-132471 AIDS132471 Brosimone A NSC626483