(8s,9r,10s,11s,13s,14s,17r)-9-氟-11,17-二羟基-17-(2-羟基乙酰基)-10,13-二甲基-1,2,6,7,8,9,10,11,12,13,14,15,16,17-十四氢-3h-环戊[a]菲-3-酮