申请人:Kyowa Hakko Kogyo Co., Ltd.
公开号:US06262043B1
公开(公告)日:2001-07-17
Estra-1,3,5(10),16-tetraene derivatives represented by the following formula (I):
(wherein R1 represents hydroxy, alkoxy, or NR2R3 (wherein R2 and R3 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.
由以下公式(I)表示的Estra-1,3,5(10),16-四烯衍生物:(其中R1代表羟基,烷氧基,或NR2R3(其中R2和R3相同或不同,且各自代表氢,具有1至3个碳原子的直链低碳基,或具有3至8个碳原子的支链低碳基)),或其药学上可接受的盐。