英文别名rac 1-Methyl-pyrrolidine-2-carbonitrile; Vildagliptin Impurity 59; Vildagliptin carbonitrile Impurity; Vildagliptin Impurity 14; 2-Pyrrolidinecarbonitrile, 1-methyl-; N-Methyl-pyrrolidin-2-nitril; N-Methyl-2-cyano-pyrrolidin; 1-methylpyrrolidine-2-carbonitrile; N-methyl-2-cyanopyrrolidine; 1-methyl-2-cyanopyrrolidine 
