摘要:
Disclosed is Compound GEX1 of formula (I), having excellent antitumor activity: wherein R 1 represents hydroxy or R 2 , R 3 and R 4 independently represent hydrogen or hydroxy;R 5 represents hydroxy or lower alkoxy; provided that when R 1 is hydroxy and R 5 is methoxy, then at least one of R 2 , R 3 and R 4 is not hydrogen, and pharmaceutically acceptable salts thereof.
摘要翻译:公开了具有优异抗肿瘤活性的式(I)化合物GEX1:其中R 1表示羟基或CHEM R 2,R 3和R 4分别代表氢或羟基; R 5代表羟基或低级烷氧基; 条件是当R 1是羟基且R 5是甲氧基时,R 2,R 3和R 4中的至少一个不是氢,和其药学上可接受的盐。