5-Heptenoic acid, 2-[(3a,4a,5a,8a,11a,13a,14b,16b)-16-(acetyloxy)-3,11-dihydroxy-4,8,10,14-tetramethylgonan-17-ylidene]-6-methyl-, (2E)- & IFN-.alpha. AIDS-115927 AIDS115927 Fusidic Acid & IFN-.ALPHA.