(17?)-17-Hydroxy-3-oxo-pregna-4,6-diene-21-carboxylic Acid ?-Lactone-d4 ; 17?-2-Carboxyethyl-17?-hydroxyandrosta-4,6-dien-3-one Lactone-d4 ; Phanurane-d4 ; USP Spironolactone Related Compound A-d4 ; Spironolactone EP Impurity F-d4 (Canrenone-d4); (Canrenone-d4)
(17?)-17-Hydroxy-3-oxo-pregna-4,6-diene-21-carboxylic Acid ?-Lactone-d4 ; 17?-2-Carboxyethyl-17?-hydroxyandrosta-4,6-dien-3-one Lactone-d4 ; Phanurane-d4 ; USP Spironolactone Related Compound A-d4 ; Spironolactone EP Impurity F-d4 (Canrenone-d4); (Canrenone-d4)