5-((3-(Acetyloxy)-12-hydroxy-17-(2-hydroxy-6-(1-hydroxy-1-methylethyl)tetrahydro-2H-pyran-3-yl)-4,4,14-trimethylandrost-8-en-2-yl)oxy)-3-hydroxy-3-methyl-5-oxopentanoic acid AIDS-146876 AIDS146876 Hebelomic Acid A NSC675555