fluorescein conjugates to estradiol-17 beta by the sixth carbon ( 6-fe ) and to estrone by the 17th carbon ( 17-fe ) were used to detect estrogen receptors ( ers ) in breast cancer tissue sections and in cultured cell lines ( human mammary carcinoma mcf-7 and copenhagen rat prostatic tumor r3327-at ) .
C0014912
estradiol-17 beta
C0033578
prostatic tumor