Variant of the
COSY experiment with a double quantum filter to remove, or at least reduce, impact of large singlet peaks on dynamic range and artefacts.
Source:
PAC, 2021, 93, 647. 'Glossary of methods and terms used in analytical spectroscopy (IUPAC Recommendations 2019)' on page 686 (https://doi.org/10.1515/pac-2019-0203)