The invention relates to a crystalline complex of 1-cyano-2-(4-cyclopropyl-benzyl)-4-(μ-D-glucopyranos-1-yl)-benzene and a natural amino acid, to methods for the preparation thereof, as well as to uses thereof for preparing medicaments.本發明係關於一種1-氰基-2-(4-環丙基-苯甲基)-4-(β-D-葡萄吡喃糖-1-基)-苯與天然胺基酸之晶體複合物、其製備方法以及其用於製備醫藥品之用途。