The present invention is a 4-({(4S)-1-(4-carbamimidoylbenzoyl)-4-[4-(methylsulfonyl) piperazin-1-yl] -L-prolyl} amino) benzoic acid} 2 (4-toluenesulfone Acid) salt or dibenzenesulfonate or crystalline forms thereof which have low hygroscopicity and excellent storage stability, and thus are useful as pharmaceutical raw material.4-({(4S)-1-(4-甲脒基苯甲醯基)-4-[4-(甲磺醯基)哌-1-基]-L-脯胺醯基}胺基)苯甲酸二(4-甲苯磺酸)鹽或二苯磺酸鹽或該等之結晶型係由於吸濕性低、保存安定性優越，而可成為有用之醫藥品原藥。
