5,6,7-Trimethoxycoumarin is a coumarin that can be isolated from Artemisia apiacea[1].
Definition
ChEBI: A member of the class of coumarins that is coumarin substituted by methoxy groups at positions 5, 6 and 7.
References
[1] Lee SJ, et al. Artemisterol, a new steryl ester from the whole plant of Artemisia apiacea. J Asian Nat Prod Res. 2008 Mar-Apr;10(3-4):313-6. DOI:10.1080/10286020701782486