28971-58-6 9-Fluor-11beta,21-dihydroxy-16alpha,17alpha-(2-propenylidenedioxy)-1,4-pregnadien-3,20-dion 9-Fluoro-11beta,16alpha,17,21-tetrahydroxypregna-1,4-diene-3,20-dione cyclic 16,17-acetal with acrolein Acrocinonid Acrocinonida Acrocinonide Acrocinonide [INN:DCF] Acrocinonidum SD 2102-18 Triamcinolonacroleinid