17-alpha-Ethynyl-19-nor-delta(sup 4,6)-androstadiene-17-beta-ol-3-one-17-acetate

17-alpha-Ethynyl-19-nor-delta(sup 4,6)-androstadiene-17-beta-ol-3-one-17-acetate · CAS 106765-04-2

17-alpha-Ethynyl-19-nor-delta(sup 4,6)-androstadiene-17-beta-ol-3-one-17-acetate