SEARCH Articles Figures Tables HMBC Heteronuclear Multiple-Bond Connectivity (HMBC) Spectra Heteronuclear Multiple-Bond Correlation, Selective (HMBCS) Heteronuclear multiple bond coherence HMBC) Heteronuclear multiple bond connectivity HMBC) Heteronuclear multiple bond correlation HMBC) Heteronuclear multiple bond correlation HMBC) spectroscopy Heteronuclear multiple-bond Multiple heteronuclear Understanding the Heteronuclear Multiple-Bond Correlation (HMBC) Pulse Sequence