1926-93-8 6alpha-Fluoro-11beta,17,21-trihydroxy-16alpha-methylpregna-1,4-diene-3,20-dione 21-pivalate EINECS 217-658-1 Pregna-1,4-diene-3,20-dione, 21-(2,2-dimethyl-1-oxopropoxy)-6-fluoro-11,17-dihydroxy-16-methyl-, (6alpha,11beta,16alpha)- Pregna-1,4-diene-3,20-dione, 6alpha-fluoro-11beta,17,21-trihydroxy-16alpha-methyl-, 21-pivalate