The molecule is a C21-steroid hormone that is 1,4-pregnadiene-3,20-dione carrying four hydroxy substituents at positions 11beta, 16alpha, 17alpha and 21 as well as a fluoro substituent at position 9. Used in the form of its 16,17-acetonide to treat various skin infections. It has a role as an anti-allergic agent and an anti-inflammatory drug. It is a fluorinated steroid, an 11beta-hydroxy steroid, a 20-oxo steroid, a 21-hydroxy steroid, a 3-oxo-Delta(4) steroid, a glucocorticoid, a 17alpha-hydroxy steroid, a 16alpha-hydroxy steroid, a C21-steroid hormone, a primary alpha-hydroxy ketone and a tertiary alpha-hydroxy ketone. It derives from a hydride of a pregnane.
(8S,9R,10S,11S,13S,14S,16R,17S)-9-fluoro-11,16,17-trihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one