Succinic acid 1-sodium 4-[11β-hydroxy-16α,17-[(1-methylethylidene)bis(oxy)]-3,20-dioxopregna-1,4-dien-21-yl] ester salt

Pregna-1,4-diene-3,20-dione, 21-(3-carboxy-1-oxopropoxy)-11-hydroxy-16,17-[(1-methylethylidene)bis(oxy)]-, monosodium salt, (11beta,16alpha)-