19275-44-6

ChEBI: An organic heterotetracyclic compound that is 3,4-dihydro-2H,12H-pyrano[2,3-a]xanthen-12-one substituted by hydroxy groups at positions 5 and 9, a methoxy group at position 10, two methyl groups at positi n 2, a prenyl group at position 11 and an oxo group at position 12.