isocoumarins

https://doi.org/10.1351/goldbook.I03267
Isocoumarin (1H-isochromen-1-one) and its derivatives formed by substitution.
I03267.png
See:
coumarins
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1344 [Terms] [Paper]