| norethinynodrel |
| norethynodral |
| norethynodrel |
| nsc-15432 |
| sc-4642 |
| 17-hydroxy-19-nor-17-alpha-pregn-5(10)-en-20-yn-3-on |
| (17-alpha)-17-hydroxy-19-norpregn-5(10)-en-20-yn-3-one |
| 13-methyl-17-ethynyl-17-hydroxy-1,2,3,4,6,7,8,9,11,12,1 3,14,16,17-tetradecahyd |
| ro-15h-cyclopenta[a]-phenanthrene-3-one |
| 17-alpha-ethinyl-17-beta-hydroxy-delta(sup 5(10))-estren-3-one |
| 17-alpha-ethinyl-5,10-estrenolone |
| 17-alpha-ethinyl-delta(super)-5,10-19-nortestosterone |
| 17-alpha-ethinyl-estra(5,10)eneolone |
| 17-alpha-ethinyls-5,10-estrenolone |
| 17-alpha-ethynyl-17-beta-hydroxy-3-oxo-delta(sup 5(10))-estrene |
| 17-alpha-ethynyl-17-beta-hydroxy-5(10)-estren-3-one |
| 17-alpha-ethynyl-17-beta-hydroxy-delta(sup. 5(10))-estren-3-one |
| 17-alpha-ethynyl-17-beta-hydroxyester-5(10)-en-3-one |
| 17-alpha-ethynyl-17-beta-hydroxyestr-5(10)-en-3-one |
| 17-alpha-ethynyl-17-hydroxy-5(10)-estren-3-one |
| 17-alpha-ethynyl-17-hydroxyestr-5(10)-en-3-one |
| 17-alpha-ethynyl-19-nor-5(10)-androsten-17-beta-ol-3-one |
| 17-alpha-ethynyl-19-nor-s(10)-androsten-17-beta-ol-3-one |
| 17-alpha-ethynyl-5(10)-estren-17-ol-3-one |
| 17-alpha-ethynyl-estr-5(10)-en-3-on-17-beta-ol |
| 17-alpha-ethynylestr-5(10)-en-17-beta-ol-3-one |
| 17-beta-hydroxy-17-alpha-ethinyl-5(10)-estren-3-one |
| 17-ethinyl-5(10)-estraeneolone |
| 17-hydroxy(17-alpha)-19-norpregn-5(10)-en-20-yn-3-one |
| 17-hydroxy-19-nor-17-alpha-pregn-5(10)-en-20-yn-3-one |
| 17-hydroxy-19-nor-17alpha-pregn-5(10)-en-20-yn-3-on |
| 19-nor-ethinyl-5,10-testosterone |
| 19-norethynodrel |
| (17alpha)-19-norpregn-5(10)-en-20-yn-3-on |
| lynestrol |
| norethinodrel |
