NOVEL FORM OF INDAZOLO 5,4-A PYRROLO 3,4-C CARBAZOLE COMPOUND

摘要

PROBLEM TO BE SOLVED: To provide a crystal form of salt of a fused pyrrolocarbazole compound that promotes the function and/or survival of a nerve cell, increases their activity, and inhibits PKC activity and the activity of trk tyrosine kinase, and a pharmaceutical composition comprising the same.SOLUTION: The present invention relates to a crystalline form of para-toluenesulfonic acid salt (1:1) of a carbazole compound illustrated below, having a specific powder X-ray diffraction pattern.