((3S)-5-hydroxy-2,2,8-trimethyl-6-oxo-3,4-dihydropyrano(3,2-g)chromen-3-yl) (Z)-2-methylbut-2-enoate

This compound is a naturally occurring coumarin derivative with a complex polycyclic structure containing multiple ether and ester functional groups. It is characterized by its chiral center and specific stereochemistry.