9-Chloro-6a-fluoro-11b,21-dihydroxy-16a-methylpregna-1,4-diene-3,20-dione;an anti-inflammatory corticosteroid usually used in topical preparations; available as the acetate and the pivalate. ... (05 Mar 2000) ... 
(klo-cor´to-lōn) a synthetic corticosteroid used topically as the pivalate ester in the treatment of the inflammatory manifestations of corticosteroid-responsive dermatoses.