5,pregnane-7 alpha,21-dicarboxylic acid,17-ydroxy-11-methylsulfonic acid-3-ketone,-butyrolectone,methyl ester cas:192704-58-8 (intermediate of eplerenone)
5,pregnane-7 alpha,21-dicarboxylic acid,17-ydroxy-11-methylsulfonic acid-3-ketone,-butyrolectone,methyl ester cas:192704-58-8 (intermediate of eplerenone)