https://doi.org/10.1351/goldbook.09975
Aurones are compounds derived from (2$Z$)-2-benzylidene-1-benzofuran-3(2$H$)-one [alternative name: (2$Z$)-2-(phenylmethylidene)-1-benzofuran-3(2$H$)-one] (aurone, compound 14).
Source:
PAC, 2018, 90, 1429. 'Nomenclature of flavonoids (IUPAC Recommendations 2017)' on page 1434 (https://doi.org/10.1515/pac-2013-0919)
PAC, 2018, 90, 1429. 'Nomenclature of flavonoids (IUPAC Recommendations 2017)' on page 1434 (https://doi.org/10.1515/pac-2013-0919)