(9R,10S,11S,13S,16R,17R)-6,9-二氟-11,17-二羟基-10,13,16-三甲基-3-氧代-2,3,8,9,10,11,12,13,14,15,16,17-十二氢-1H-环，≥95%

(9R,10S,11S,13S,16R,17R)-6,9-Difluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-2,3,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-17-carboxylic Acid