(2S,6aS,6bR,7S,8aS,8bS,11aR,12bS)-2,6b-difluoro-7-hydroxy-8b-(2-hydroxyacetyl)-6a,8a,10,10-tetramethyl-1,2,6a,6b,7,8,8a,8b,11a,12b-decahydro-4H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-4-one ; 6?,9-difluoro-11?,21-dihydroxy-16?,17-(1-methylethylidenedioxy)pregna-1,4,14-triene-3,20-dione;
