Synonyms: 2-Pyrrolidinecarbonitrile, 1-(2-chloroacetyl)-, (2S)-, 2-Pyrrolidinecarbonitrile, 1-(chloroacetyl)-, (2S)- (9CI), (2S)-1-(2-Chloroacetyl)-2-pyrrolidinecarbonitrile, (2S)-1-(Chloroacetyl)-2-pyrrolidinecarbonitrile, (2S)-1-chloroacetylpyrrolidine-2-carbonitrile, (2S)-N-Chloroacetyl-2-cyanopyrrolidine, (S)-1-(2-Chloroacetyl)pyrrolidine-2-carbonitrile, (S)-1-(Chloroacetyl)pyrrolidine-2-carbonitrile, 1-(2-Chloroacetyl)-(2S)-pyrrolidine carbonitrile, 1-Chloroacetyl-2-(S)-cyanopyrrolidine