作者单位:Bruker BioSpin GmbH, Silberstreifen, 76287 Rheinstetten, Germany[1]Bruker BioSpin AG, Industriestrasse 26, 8117 F?llanden, Switzerland[2]Institute for Organic Chemistry and Chemical Biology, Center for Biomolecular Magnetic Resonance, Johann Wolfgang Goethe-University Frankfurt, Max-von-Laue-Str. 7, 60438 Frankfurt/M, Germany[3]