Estra-1,3,5(10),16-tetraene derivatives represented by the following formula (I):
1
(wherein R
1
represents hydroxy, alkoxy, or NR
2
R (wherein R
2
and R
3
are the same or different, and each represents hydrogen, straight-chain lower alkyl having 1 to 3 carbon atoms, or branched-chain lower alkyl having 3 to 8 carbon atoms)), or pharmaceutically acceptable salts thereof.
以下是Estra-1,3,5(10),16-tetraene衍
生物的
化学式(I):
其中,R1代表羟基、烷氧基或NR2R(其中R2和R3相同或不同,且每个代表氢、1至3个碳原子的直链低碳基或3至8个碳原子的支链低碳基),或其药学上可接受的盐。