furocoumarins

https://doi.org/10.1351/goldbook.F02562
Derivatives (mostly of natural origin) of the linear furocoumarin skeleton, psoralen, or its angular @I03289@, angelicin, variously substituted with hydroxy, methoxy, alkyl, or hydroxymethyl groups, among others.
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Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1337 [Terms] [Paper]