Herein include N - (3 - {[( 2 Z) -3 - [(2- chloro-5-methoxyphenyl) amino] quinoxalin -2 (1 H) - ylidene] sulfamoyl} phenyl) -2 Polymorph E of methylalaninamide, mixed DMAC / toluene solvate and DMSO solvate are provided.본원에는 N-(3-{[(2Z)-3-[(2-클로로-5-메톡시페닐)아미노]퀴녹살린-2(1H)-일리덴]설파모일}페닐)-2-메틸알라닌아미드의 다형체 E, 혼합 DMAC/톨루엔 용매화물 및 DMSO 용매화물이 제공된다.