17-(1,5-Dihydroxy-1,5-dimethyl-2-oxohexyl)-2,3-dihydroxy-4,4,9,14-tetramethylestr-5-en-11-one 19-Norlanost-5-ene-11,22-dione, 2,3,20, 25-tetrahydroxy-9-methyl-, (2.beta.,3.beta.,9.beta.,10.alpha.)- AIDS-126972 AIDS126972 CUCURBITACIN P NSC135074