17-alpha-Pregn-4-ene-21-carboxylic acid, 9-fluoro-11-beta,17-dihydroxy-3-oxo-, monopotassium salt 595-57-3 9-alpha-Fluoro-11-beta,17-dihydroxy-3-oxo-4-androstene-17-alpha-propionic acid potassium 9alpha-Fluoro-11beta,17-dihydroxy-3-oxo-4-androstene-17alpha-propionic acid CS-1 Catatoxic Steroid No. 1 SC-11927 SU 11927