| 摘要 |
<p>(a) Method for (b) The cpds. X=halogen (pref. F or Cl), R=carboxyacyl, pref. with 12C R'=alkyl Y=alkyl Z=a (1-11C) hydrocarbon. Gestagens, e.g. for pregnancy regulation and treatment of habitual abortion. May be administered to mammals e.g. cows and sheep.</p> |
