Помогите pls достать следующие статьи:
1) Analytical Biochemistry, 1987
Volume 166, Issue 2, Pages 431-434
Hans-Jörg Keller, Kim Quang Do, Markus Zollinger, Kaspar H. Winterhalter and Michel Cuénod
9-Fluorenylmethoxycarbonylpyroglutamate, a side-product of derivatization of glutamate with 9-fluorenylmethyl chloroformate: A warning
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http://dx.doi.org/10.1016/0003-2697(87)90595-1Volume 240, Issue 2, Pages 167-176
Ruud A. Bank, Evelien J. Jansen, Bob Beekman and Johan M. te Koppele
Amino Acid Analysis by Reverse-Phase High-Performance Liquid Chromatography: Improved Derivatization and Detection Conditions with 9-Fluorenylmethyl Chloroformate
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http://dx.doi.org/10.1006/abio.1996.0346