(9Beta,11Beta,16Alpha)-9,11-Epoxy-1,21-dihydroxy-4,16-dimethyl-19-norpregna-1,3,5(10)-trien-20-one; 2-Hydroxy-1-((4bS,5aS,6aS,7S,8R,9aS,9bS)-4-Hydroxy-1,6a,8-trimethyl-5a,6,6a,7,8,9,9a,9b,10,11-decahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)ethan-1-one; Dexamethasone Impurity S
