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• 

  L-Tryptophan methyl ester hydrochloride

  CAS NO. 7524-52-9

  Mol. W. 254.71

  Mol. F. C12H15ClN2O2
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• 

  N-Acetyl-DL-tryptophan

  CAS NO. 87-32-1

  Mol. W. 246.26

  Mol. F. C13H14N2O3
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