A free and simple use NMR analysis program to extract coupling constants from complicated NMR multiplets. Applied to pentafluorobenzene 1 H and 19 F spectra which yielded accurate analyses in just a few seconds. For the first time, used to analyse the 19 F spectra, 13 C and 19 F-13 C-satellite spectra of tetrafluoro-4-(morpholino)pyridine The complicated 13 C and 19 F-13 C-satellite spectra were analysed within a few minutes. Excellent results are obtained even when the input date is inaccurate. Gaussian-03 derived coupling constants are a reasonable estimate to start analysis.
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