英文同义词: | 3,11-Dioxoandrosta-1,4-diene-17-carboxylic acid;(17β)-3,11-Dioxoandrosta-1,4-diene-17-carboxylic Acid;Progesterone Impurity 21;Androsta-1,4-diene-17-carboxylic acid, 3,11-dioxo-, (17β)- (9CI);(17β)- 3,11-Dioxoandrosta-1,4-diene-17-carboxylic Acid |