ethynylestrenol ethynylestrenol ethynylestrenol, or ethinylestrenol, may refer to: cingestol (17α-ethynyl-5-estren-17β-ol) lynestrenol (17α-ethynyl-4-estren-17β-ol) tigestol (17α-ethynyl-5(10)-estren-17β-ol) not to be confused with ethylestrenol, ethynylestradiol, or ethylestradiol. this article is issued from wikipedia. the text is licensed under creative commons - attribution - sharealike. additional terms may apply for the media files.