Rational Design of Low Molecular Mass Organogelators: Toward a Library of Functional N-Acyl-1,-Amino Acid Derivatives <FN ID="fnxx"> We thank the CNRS, the University Bordeaux 1, La Région Aquitaine, and the Deutsche Forschungsgemeinschaft (DFG, Vo 145/49-1). This work was supported by COST Chemistry in the framework of COST D11 Action (network D11/0015/99).We are also grateful to Dr. Christoph Schalley for mass-spectroscopic characterizations.</FN>

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