Hypolaetin (8-Hydroxyluteolin) is a flavone compound found in the bryophyte Marchantia berteroana, featuring diverse glycoside modifications[1].
ChEBI: A pentahydroxyflavone that consists of luteolin substituted by an additional hydroxy group at position 8.
[1] Markham K R, et al. Isoscutellarein and hypolaetin 8-glucuronides from the liverwort Marchantia berteroana[J]. Phytochemistry, 1975, 14(4): 1093-1097.