Decursinol

2H, 6H-Benzo[1,2-B:5,4-B']Dipyran-2-One, 7,8-Dihydro-7-Hydroxy-8,8-Dimethyl(3S)-3-Hydroxy-2,2-Dimethyl-3,4-Dihydropyrano[3,2-G]Chromen-8-One