Flurandrenolide Impurity 1

Chemical Name: (2S,6aR,7S,8aS,8bS,11aR)-2-fluoro-7-hydroxy-8b-(2-hydroxyacetyl)-6a,8a,10,10-tetramethyl-1,2,5,6,6a,6b,7,8,8a,8b,11a,12b-dodecahydro-4H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-4-one