103228-03-1 17,21-Dihydroxy-11-tert-butylacetoxy-1,4-pregnadiene-3,20-dione-21-hemisuccinate Pregna-1,4-diene-3,20-dione, 21-(3-carboxy-1-oxopropoxy)-11-(3,3-dimethyl-1-oxobutoxy)-17-hydroxy-, monosodium salt, (11alpha)- U 72099E U-72099E