21-acetoxy-17,20βF-dihydroxy-pregn-4-ene-3,11-dione

醋酸

醋酸氢化可的松

17-alpha,21-二羟基-5-beta-孕甾烷-3,11,20-三酮 21-乙酸酯

21-acetoxy-3,3-ethanediyldioxy-17-hydroxy-pregn-5-ene-11,20-dione