78261-67-3

17-Hydroxy-3,11-dioxo-androsta-1,4-diene-17β-carboxylic Acid is an intermediate used to prepare (11β,??17α)??-17-??[(Ethoxycarbonyl)??oxy]??-??11-??hydroxy-??3-??oxo-??androsta-??1,??4-??diene-??17-??carboxylic acid (E890570) which is a derivative of Loteprednol Etabonate (L471400), an ophthalmic corticosteroid.