Intermediate of Fulvestrant

Ⅰ. (7α,17β)-7-(9-hydroxynonyl)estra-1,3,5(10)-triene-3,17-diol

Ⅱ. (7α,17β)-7-(9-bromononyl)estra-1,3,5(10)-triene-3,17-diol
CAS NO..: [875573-67-4 ]

Ⅲ. (7α,17β)-7-[9-(4,4,5,5,5-pentafluoropentyl)thio]nonyl]estra- 1,3,5(10)- triene-3-diol -17oxyethyl                       
CAS NO.[ 875573-69-6]

Ⅳ. (7α,17β)-7-{[9-(4,4,5,5,5-pentafluoropentyl)thio]nonyl}-
eatra-1,3,5(10)-triene-3,17-diol
CAS NO. [153004-31-0]

Ⅴ. 4,4,5,5,5-Pentafluoro-1-pentanethiol
CAS NO. [ 148757-88-4]