Variant of the
heteronuclear single quantum correlation (HSQC) experiment that provides pure absorption, antiphase line shapes for precise, direct measurement of
\(^{n}J(\ce{C,H})\) spin-spin coupling constants.
Source:
PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 692 (https://doi.org/10.1515/pac-2019-0203)