The present invention is directed to a pharmaceutically acceptable crystalline addition salt of (i) 5-[(1R)-2-(2-[4-(2,2-difluoro-2-phenylethoxy)phenyl]ethyl}amino)-1-hydroxyethyl]-8-hydroxyquinolin-2(1H)-one, and (ii) a dicarboxylic acid, a sulfonic acid or a sulfimide, or a pharmaceutically acceptable solvate thereof.
本发明涉及一种药用可接受的结晶加合盐,其包括(i) 5-[(1R)-2-(2-[4-(2,2-二
氟-2-苯基乙氧基)苯基]乙基}
氨基)-1-羟基乙基]-
8-羟基喹啉-2(1H)-酮,以及(ii) 二
羧酸、
磺酸或磺
酰亚胺,或其药用可接受的溶剂化合物。