38128-71-1 5,6,17,19-tetrahydroxy-23-methoxy-2,4,12,16,18,20,22-heptamethyl-1,11-dioxo-9-{2-oxo-2-[propyl(prop-2-yn-1-yl)amino]ethoxy}-1,2-dihydro-2,7-(epoxypentadeca[1,11,13]trienoimino)naphtho[2,1-b]furan-21-yl acetate AIDS-160067 AIDS160067 NSC143441