Synonyms: (11|A)-21-fluoro-11,17-dihydroxy-6-methylpregn-4-ene-3,20-dione;AC1L5FO1;KST-1A5100;FDA 0066;NSC19622;AR-1A0432;NSC-19622;SK 22937;Pregn-4-ene-3, 21-fluoro-11.beta.,17-dihydroxy-6.alpha.-methyl-;Pregn-4-ene-3, 21-fluoro-11,17-dihydroxy-6-methyl, (6.alpha.,11.beta.)-;(8S,9S,10R,11S,13S,14S,17R)-17-(2-fluoroacetyl)-11,17-dihydroxy-6,10,13-trimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-3-one