(17-alpha)-19-Norpregna-1,3,5(10)-trien-20-yne-3,17,diol 17-Ethinyl-3,17-estradiol 17-Ethinyl-3,17-oestradiol 17-Ethinylestradiol 17-Ethynyl-3,17-dihydroxy-1,3,5-oestratriene 17-Ethynylestradiol 17-Ethynyloestradiol 17-alpha-Ethinyl-17-beta-estradiol 17-alpha-Ethinyl-3,17-dihydroxy-delta(sup 1,3,5)-estratriene 17-alpha-Ethinyl-delta(sup 1,3,5(10))oestratriene-3,17-beta-diol 17-alpha-Ethinylestra-1,3,5(10)-triene-3,17-beta-diol 17-alpha-Ethinyloestra-1,3,5(10)-triene-3,17-beta-diol 17-alpha-Ethynyl-1,3,5(10)-estratriene-3,17-beta-diol 17-alpha-Ethynyl-1,3,5(10)-oestratriene-3,17-beta-diol 17-alpha-Ethynyl-1,3,5-oestratriene-3,17-beta-diol 17-alpha-Ethynyl-17-beta-oestradiol 17-alpha-Ethynylestradiol 17-alpha-Ethynylestradiol-17-beta 17alpha-Ethinyl-3,17-dihydroxy-delta(sup1,3,5)-estratriene 17alpha-Ethinylestradiol 17alpha-Ethinylestradiol-17beta 17alpha-Ethynyloestradiol 17alpha-Ethynyloestradiol-17beta; 17beta-Estradiol, 17-ethynyl- 17alpha-ethinyl-3,17-dihydroxy-delta(sup1,3,5)oestratriene 17alpha-ethinyl-delta(sup1,3,5(10))oestratriene-3,17-beta -diol 17alpha-ethinylestra-1,3,5(10)-triene-3,17beta-diol 17alpha-ethinyloestra-1,3,5(10)-triene-3,17beta-diol 19-Nor-17-alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol 19-Nor-17-alpha-pregna-1,3,5(10)-triene-20-yne-3,17-diol 19-Nor-17alpha-pregna-1,3,5(10)-trien-20-yne-3,17-diol 19-Norpregna-1,3,5(10)-trien-20-yne-3,17-diol, (17alpha)- 3,17-beta-Dihydroxy-17-alpha-ethynyl-1,3,5(10)-estratriene 3,17-beta-Dihydroxy-17-alpha-ethynyl-1,3,5(10)-oestratriene 3,17beta-Dihydroxy-17alpha-ethynyl-1,3,5(10)-estratriene 3,17beta-Dihydroxy-17alpha-ethynyl-1,3,5(10)-oestratriene 4-06-00-06877 (Beilstein Handbook Reference) 57-63-6 77538-56-8 AI3-52941 Aethinyloestradiolum Aethinyoestradiol [German] Amenoron Amenorone BRN 2419975 Brevicon CCRIS 286 Chee-O-Gen Chee-O-Genf Demulen Desogen Diogyn E Diprol Dyloform EE EE(sub 2) EE2 EINECS 200-342-2 EO ETHINYLESTRADIOL Ertonyl Esteed Estigyn Estinyl Eston-E Estopherol Estoral Estoral (VAN) Estoral (orion) Estorals Estra-1,3,5(10)-triene-3,17-beta-diol, 17-alpha-ethynyl- Estra-1,3,5(10)-triene-3,17beta-diol, 17alpha-ethynyl- Estradiol, 17-ethynyl- Ethidol Ethinoral Ethinyl E2 Ethinyl estradiol Ethinyl-oestranol