| acetate mixed with 19-nor-19-nor-17-alpha-pregn-4-en-20-yn-3-on |
| 17-alpha- pregna-1,3,5-(10)-trien-20-yne-3,17-diol |
| anovlar 21 |
| controvlar |
| ethinyl oestradiol mixed with norethisterone acetate |
| ethinylestradiol and norethindrone acetate |
| gyn-anovlar |
| gynonlar 21 |
| minovlar |
| norethindrone acetate and ethinylestradiol |
| norethisterone acetate mixed with ethinyl oestradiol |
| norlestrin |
| primodos |
| 19-nor-17-alpha-pregn-4-en-20-yn-3-one, 17-hydroxy-,acetate mixed with 19-nor-17-alpha-pregna-1,3,5-(10)-trien-20-yne-3,17-diol |
