11-Keto-delta-9-norethisterone 19-Nor-17alpha-pregna-4,9-dien-20-yne-3,11-dione, 17-hydroxy- (8CI) 19-Norpregna-4,9-dien-20-yne-3,11-dione, 17-hydroxy-, (17alpha)- (9CI) 5210-27-5 NSC 101989