Flumethasone valerate;2-((6S,8S,9R,10S,11S,13S,16R,17R)-6-chloro-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl pentanoate,"2-((6S,8S,9R,10S,11S,13S,16R,17R)-6,9-difluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl pentanoate, Flumethasone valerate",Diflucortolone Valerate Impurity