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Expansions of the methyl region of the 1H NMR spectra of the four samples of 1: left side, actual spectra with Traficante processing; right side, simulated spectra based on predicted isomer ratios. From top to bottom, syn/syn (S,S,S), anti/anti (S,R,S), anti/syn (R,S,S), syn/anti (R,R,S).
