17-(3,3,3-Trifluoro-1-propynyl)estra-1,3,5(10)-trien-3,17-beta-diol 2061-56-5 BDH 6146 BRN 2015407 ESTRA-1,3,5(10)-TRIENE-3,17-beta-DIOL, 17-(3,3,3-TRIFLUORO-1-PROPYNYL)- Estra-1,3,5(10)-trien-3,17-diol, 3-methoxy-17-(3,3,3-trifluoro-1-propynyl)-, (17-beta)-