(11β)-11-Hydroxy-3,20-dioxo-pregn-4-en-21-oic Acid; 2-((8S,9S,10R,11S,13S,14S,17S)-11-Hydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetic acid
(11β)-11-Hydroxy-3,20-dioxo-pregn-4-en-21-oic Acid; 2-((8S,9S,10R,11S,13S,14S,17S)-11-Hydroxy-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoacetic acid