11beta,17,21-Trihydroxypregna-1,4-diene-3,20-dione 21-(3,3-dimethylbutyrate) 7681-14-3 EINECS 231-661-5 Hydeltra-T.B.A. Predalone T.B.A. Prednisolone 21-tert-butylacetate Prednisolone tebutate Pregna-1,4-diene-3,20-dione, 11,17-dihydroxy-21-((3,3-dimethyl-1-oxobutyl)oxy)-, (11beta)- Pregna-1,4-diene-3,20-dione, 21-(3,3-dimethyl-1-oxobutoxy)-11,17-dihydroxy-, (11beta)-