6,17-Dihydroxy-3-oxo-17-pregn-4-ene-21-carboxylic acid-gamma-lactone 7-methylethyl ester 61237-95-4 Pregn-4-ene-7,21-dicarboxylic acid, 6,17-dihydroxy-3-oxo-, gamma-lactone, 1-methylethyl ester, (6beta,7alpha,17alpha)- SC 30822 SC-30822