(6aS,6bR,7S,8aS,8bS,11aR,12aS,12bS)-6b-bromo-7-hydroxy-8b-(2-hydroxyacetyl)-6a,8a,10,10-tetramethyl-6a,6b,7,8,8a,8b,11a,12,12a,12b-decahydro-1H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-4(2H)-one;(11?,16?)-9-Bromo-11,21-dihydroxy-16,17-[(1-methylethylidene)bis(oxy)]pregna-1,4-diene-3,20-dione; 2H-Naphth[2',1':4,5]indeno[1,2-d][1,3]dioxole Pregna-1,4-diene-3,20-dione Deriv.; 9-Bromo-11?,16?,17,21-tetrahydroxypregna-1,4-diene-3,20-dione 16,17-Acetonide;9?-Bromodesonide ~90%
