2-((6S,8S,9R,10S,11S,13S,14S,17R)-9-fluoro-11,17-dihydroxy-6,10,13-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl methanesulfonate;Pregna-1,4-diene-3,20-dione-9-fluoro-11?,17,21-trihydroxy-6?-methyl-21-methanesulfonate;U 19871;
