英文别名(2S)-2-pyrrolidinecarbonitrile 4-methylbenzenesulfonate; (S)-Pyrrolidine-2-carbonitrile p-Toluenesulfonate; (2S)-2-Pyrrolidinecarbonitrile 4-methylbenzenesulfonate (1:1); (S)-Pyrrolidine-2-carbonitrile 4-methylbenzenesulfonate; (S)-Pyrrolidine-2-carbonitrile TsOH salt; (S)-Vildagliptin Impurity 61 Tosylate 
