17-Hydroxy-3-oxo-17alpha-pregn-4-ene-7alpha,21-dicarboxylic acid, gamma-lactone, isopropyl ester 3-(3-Oxo-7alpha-carboxyisopropyl-17beta-hydroxy-4-androstene-17alpha yl)propionic acid gamma lactone 41020-79-5 DICIRENONE Dicirenona [Spanish] Dicirenone [USAN:INN] Dicirenonum [Latin] Pregn-4-ene-7,21-dicarboxylic acid, 17-hydroxy-3-oxo-, gamma-lactone, 1-methylethyl ester, (7alpha,17alpha)- SC 26304