Synonyms: Spiro[17H-cyclopenta[a]phenanthrene-17,2′(5’H)-furan], pregna-4,6-diene-21-carboxylic acid deriv., 11614 R.P., 20-Spiroxa-4,6-diene-3,21-dione, Aldadiene, Canrenone, NSC 261713, Phanurane, SC 9376, Spirolactone SC 14266,(2’R)-3′,4′-Dihydro-5’H-spiro[androst-4,6-diene-17,2′-furan]-3,5′-dione, Spironolactone Imp. F (EP), Pregna-4,6-diene-21-carboxylic acid, 17-hydroxy-3-oxo-, γ-lactone, (17α)-, 17α-Pregna-4,6-diene-21-carboxylic acid, 17-hydroxy-3-oxo-, γ-lactone (6CI,7CI,8CI), 17-Hydroxy-3-oxo-17α-pregna-4,6-diene-21-carboxylic acid lactone, 17-Hydroxy-3-oxo-17α-pregna-4,6-diene-21-carboxylic acid γ-lactone, 17α-(2-Carboxyethyl)-17β-hydroxyandrosta-4,6-dien-3-one lactone, 17β-Hydroxy-3-oxopregna-4,6-diene-21-carboxylic acid, 3-(17β-Hydroxy-3-oxoandrosta-4,6-dien-17α-yl)propionic acid lactone, 3-(17β-Hydroxy-3-oxoandrosta-4,6-dien-17α-yl)propionic acid γ-lactone, 3-(3-Oxo-17β-hydroxy-4,6-androstadien-17α-yl)propionic acid γ-lactone, 3′-(3-Oxo-17β-hydroxyandrosta-4,6-dien-17α-yl)-propionic acid lactone
