申请人:THE GREEN CROSS CORPORATION
公开号:EP0860169A2
公开(公告)日:1998-08-26
A composition for oral administration which contains a pyridazinone compound of the formula (I)
wherein R1, R2 and R3 are each independently a hydrogen atom or a lower alkyl, X is a halogen atom, a cyano or a hydrogen atom, Y is a halogen atom, a trifluoromethyl or a hydrogen atom, and A is a C1-C8 alkylene optionally substituted by hydroxy, or a pharmacologically acceptable salt thereof, and an organic acid. According to the present invention, a composition for oral administration which is stable to heat, light, moisture and the like and which shows improved dissolution and absorption of a pyridazinone compound can be provided.
一种口服组合物,其中含有式(I)的哒嗪酮化合物
其中 R1、R2 和 R3 各自独立地为氢原子或低级烷基,X 为卤素原子、氰基或氢原子,Y 为卤素原子、三氟甲基或氢原子,A 为任选被羟基取代的 C1-C8 亚烷基或其药理学上可接受的盐,以及有机酸。根据本发明,可以提供一种用于口服的组合物,该组合物对热、光、湿度等稳定,并能改善哒嗪酮化合物的溶解和吸收。