The pulse program includes all details and is well-documented. Please read instructions carefully! Processing is achieved on nmrPipe for which fid.com and nmrproc.com files are given. In the NMR spectrum only the signals at 5.5 ppm are of importance while residual signals stem from artifacts that are not of interest for the aim of the method. Comments (positive or negative) to Burkhard.Luy@ch.tum.de