Provided is steroid sulfatase inhibitors comprising, as the active ingredient, an estra-1,3,5(10)-triene derivative which is represented by formula (I):
1
{wherein R
1
and R
2
are the same or different and represent a hydrogen atom, a lower alkyl group or, etc.; R
3
represents a hydrogen atom etc.; R
4
represents a hydrogen atom etc.; R
5
represents a hydrogen atom etc.; R
6
represents a cyano group, an amino group, COR
53
(wherein R
53
represents a substituted lower alkyl group etc.), a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, etc}, or pharmaceutically acceptable salts thereof.
提供的类
固醇硫酸酯酶抑制剂包括作为活性成分的Estra-1,3,5(10)-
三烯衍
生物,其由式(I)所表示:1{其中R1和R2相同或不同,表示氢原子,低碳基等;R3表示氢原子等;R4表示氢原子等;R5表示氢原子等;R6表示
氰基,
氨基,COR53(其中R53表示取代的低碳基等),取代或未取代的芳基,取代或未取代的杂环基等,或其药学上可接受的盐。