SEARCH Articles Figures Tables 13C Nuclear magnetic resonance N-methylcyclohexylamine 13C Nuclear magnetic resonance methyl acetate 13C Nuclear magnetic resonance spectrum, acetaldehyde 13C magnetization 13C nuclear magnetic resonance NMR) spectroscopy 13C-Nuclear magnetic resonance spectroscopy 13C-Nuclear magnetic resonance spectrum 13C-magnetic resonance Nuclear magnetic resonance 13C NMR