Pregna-1,4-diene-3,20-dione,6a,9-difluoro-11b,17,21-trihydroxy-16b-methyl- (8CI);Pregna-1,4-diene-3,20-dione,6,9-difluoro-11,17,21-trihydroxy-16-methyl-, (6a,11b,16b)-;
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