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.