2,3-Anhydro-6-(12b-methyl-1-oxo-1,5a,6,6a,11,12,12a,12b-octahydro-4H-chryseno[6a,6-b]oxiren-9-yl)-4,6,7-trideoxy-2,3-dimethylheptopyranose AIDS-140788 AIDS140788 NSC654207 Salpichrolide A