15423-89-9 Dexamethasone 17-propionate Dexamethasone propionate Pregna-1,4-diene-3,20-dione, 9-fluoro-11,21-dihydroxy-16-methyl-17-(1-oxopropoxy)-, (11-beta,16-alpha)- Pregna-1,4-diene-3,20-dione, 9-fluoro-11beta,17,21-trihydroxy-16alpha-methyl-, 17-propionate