SEARCH Articles Figures Tables Charge density-NMR chemical shift correlation in organic ions Charge-NMR Shift Correlations Chemical shift correlation, 2D NMR Correlations Involving N-15 NMR Shifts Homonuclear shift correlated 2D-NMR Ions, organic, charge density-NMR chemical shift correlations NMR chemical shift-charge density correlations Shift correlation Two-dimensional NMR shift-correlated