Phenol, 4-​chloro-​3-​[5-​methyl-​3-​[[4-​[2-​(1-​pyrrolidinyl)​ethoxy]​phenyl]​amino]​-​1,​2,​4-​benzotriazin-​7-​yl]​-​, 1-​benzoate, hydrochloride (1:1)