(S)-tert-Butyl (1-cyanopropan-2-yl)carbamate;(S)-tert-Butyl 1-cyanopropan-2-ylcarbamate;3-n-boc-(s)-amino butyronitrile;(3S)-N-benzyloxycarbonyl-3-aminobutanoic acid;(S)-(2-cyano-1-methyl-ethyl)-carbamic acid tert-butyl ester;(S)-2-(N-t-butoxycarbonylamino)-propyl cyanide;(S)-3-&;(S)-3-(benzyloxycarbonylamino)butanoic acid;(S)-3-{[(benzyloxy)carbonyl]amino}butanoic acid;(S)-3-< (tert-butoxycarbonyl)amino> butanenitrile;(S)-3-benzyloxycarbonylaminobutyric acid;1,1-dimethylethyl [(1S)-2-cyano-1-methylethyl]carbamate;Cbz-L-3-Aminobutyric acid;3-N-BOC-(S)-AMINO BUTYRONITRILE;(S)-tert-butyl 1-cyanopropan-2-ylcarbaMate;tert-butyl (S)-(1-cyanopropan-2-yl) carbamate;tert-butyl [(1S)-2-cyano-1-Methylethyl]carbaMate;Carbamic acid, [(1S)-2-cyano-1-methylethyl]-, 1,1-dimethylethyl ester (9CI)