英文别名Vildagliptin impurity 1; Vildagliptin Carboxylic Acid Metabolite; Vildagliptin Carboxylic Acid; N-(3-Hydroxytricyclo[3.3.1.1(3,7)]dec-1-yl)glycyl-L-proline; Vildagliptin Carboxylic Acid Impurity; Vildagliptin Impurity 27; Vildagliptin Carboxy Acid