(7β,17α)-7-(Acetylthio)-17-hydroxy-3-oxopregn-4-ene-21-carboxylic Acid γ-Lactone;|17-Hydroxy-7β-mercapto-3-oxo-17α-pregn-4-ene-21-carboxylic Acid γ-Lactone Acetate; 3'-(3-Oxo-7β-acetylthio-17β-hydroxyandrost-4-en-17α-yl)-propionic Acid Lactone; 7β-(Acetylthio)-17α-hydroxy-3-oxopregn-4-ene-21-carboxylic Acid γ-Lactone; SC 11940;

7β-Spironolactone is the 7β-isomer of Spironolactone. It binds effectively to human plasma proteins.