heteronuclear multiple-quantum correlation with additional TOCSY transfer

initialism: HMQC-TOCSY
https://doi.org/10.1351/goldbook.08355
Variant of heteronuclear multiple bond correlation (HMBC) spectroscopy that shows correlations from a heteronucleus (e.g., A13A2213C) to not only its directly bound A1A221H but also to all other A1A221H nuclei within the spin system.
Source:
PAC, 2021, 93, 647. (Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)) on page 691 [Terms] [Paper]