label: 6 alpha,9-difluoro-11 beta,16 alpha,17,21-tetrahydroxypregna-1,4-diene-3,20-dione 3-ethylenedithioketal 16,17-acetonide
label_lc: 6 alpha,9-difluoro-11 beta,16 alpha,17,21-tetrahydroxypregna-1,4-diene-3,20-dione 3-ethylenedithioketal 16,17-acetonide