13. The HSQC (heteronuclear single quantum coherence spectroscopy) spectrum for -tetralone is given below. This powerful technique is used to correlate the chemical shifts of protons to the 13C chemical shift of their directly attached carbons. The resulting spectrum is twodimensional (2D) with one axis for proton (1H) and the other for a13C. The spectrum contains a peak for each unique proton attached to the carbon atom being considered. Label each cross peak on the HSQC. Does this match your annotated 13C NMR and 1H NMR spectra in the previous