\(\ce{^{1}H}\) (inverse) detected
two-dimensional nuclear magnetic resonance spectroscopy heteronuclear experiment that correlates
\(\ce{^{1}H}\) nuclei with their directly coupled nucleus through a single bond.
Source:
PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 691 (https://doi.org/10.1515/pac-2019-0203)