申请人:EISAI R&D MANAGEMENT CO., LTD.
公开号:US20160046623A1
公开(公告)日:2016-02-18
The present invention provides a salt of (S)-7-(2-methoxy-3,5-dimethylpyridin-4-yl)-1-(tetrahydrofuran-3-yl)-1H-pyrazolo[4,3-c]quinolin-4(5H)-one and an acid selected from the group consisting of hydrochloric acid, hydrobromic acid, sulfuric acid, nitric acid, phosphoric acid, malonic acid, maleic acid, tartaric acid, methanesulfonic acid, benzenesulfonic acid and toluenesulfonic acid; or a crystal thereof with a potential to be used as drug substance in pharmaceuticals.
本发明提供了(S)-7-(2-甲氧基-3,5-二甲基吡啶-4-基)-1-(四氢呋喃-3-基)-1H-吡唑并[4,3-c]喹啉-4(5H)-酮的盐,以及从盐组中选择的一种酸,包括盐酸、溴酸、硫酸、硝酸、磷酸、丙二酸、马来酸、酒石酸、甲磺酸、苯磺酸和甲苯磺酸;或者该盐的晶体,具有潜力作为制药中的药物物质。