This invention provides estrogenic agents having the formula
1
wherein
A and B are each, independently,
2
3
R is SO
3
−
X
+
;
X
+
is alkali metal, alkaline earth metal, ammonium, alkylammonium containing 1-6 carbon atoms, or dialkylammonium containing 1-6 carbon atoms in each alkyl group, or trialkylammonium containing 1-6 carbon atoms in each alkyl group;
with the proviso that at least one of A or B is
4
本发明提供了具有以下式子的雌激素制剂
1
其中
A和B各自独立、
2
3
R 是 SO
3
-
X
+
;
X
加;
是碱金属、碱土金属、铵、含有 1-6 个碳原子的烷基铵、或每个烷基含有 1-6 个碳原子的二烷基铵、或每个烷基含有 1-6 个碳原子的三烷基铵;
但 A 或 B 中至少有一个是
4
B-ring estratrienes
申请人:Wyeth
公开号:US20030109513A1
公开(公告)日:2003-06-12
This invention provides 3&bgr;-hydroxy-5,7,9-estratriene-17-one and a pharmaceutically acceptable salt of its 3-sulfate ester, which is useful as an estrogen.