I am attempting to run some filtered NOESY and TOCSY experiments using sequences in the Varian Biopack - CNfiltocsy and CNfilnoesy. The experiments seem to run fine, but when overlaying the processed spectra something seems odd - the TOCSY crosspeaks are not present in the NOESY spectra and vice-versa. Does anyone know why this might be the case?

I am attempting to run some filtered NOESY and TOCSY experiments using sequences in the Varian Biopack - CNfiltocsy and CNfilnoesy. The experiments seem to run fine, but when overlaying the processed spectra something seems odd - the TOCSY crosspeaks are not present in the NOESY spectra and vice-versa. Does anyone know why this might be the case?