11beta,17,21-Trihydroxypregn-4-ene-3,20-dione 21-acetate 17-valerate 81456-46-4 EINECS 279-764-4 Pregn-4-ene-3,20-dione, 21-(acetyloxy)-11-hydroxy-17-((1-oxopentyl)oxy)-, (11beta)-