(Z)-2-((6S,8S,9R,10S,11S,13S,14S,16R)-6,9-difluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-7,8,9,11,12,13,15,16-octahydro-3H-cyclopenta[a]phenanthren-17(6H,10H,14H)-ylidene)-2-hydroxyacetaldehyde;(6?,11?,16?)-6,9-Difluoro-11,20-dihydroxy-16-methyl-3-oxo-pregna-1,4,17(20)-trien-21-al; 6?,9-difluoro-11?,20-dihydroxy-16?-methyl-3-oxo-pregna-1,4,17(20)-trien-21-al;
