(17-alpha)-19-Norpregn-5-en-20-yn-17-ol 16915-71-2 19-Nor-17-alpha-pregn-5-en-20-yn-17-ol 19-Nor-17alpha-pregn-5-en-20-yn-17-ol 19-Nor-17alpha-pregn-5-en-20-yn-17beta-ol 19-Norpregn-5-en-20-yn-17-ol, (17alpha)- CINGESTOL Cingestol [USAN:INN] Cingestolo [DCIT] Cingestolum [INN-Latin] EINECS 240-964-1 Lutisan