Synonyms : 9 alpha Fludrohydrocortisone, 9 alpha-Fluoro-17-Hydroxycorticosterone, 9 alpha-Fluorohydrocortisone, 9-Fluoro-17-Hydroxycortisone, 9-Fluorohydrocortisone, Astonin, Astonin Merck, Astonin-H, FCOL, Merck Brand of Fludrocortisone, 9 Fluoro 17 Hydroxycortisone