Decursinol

(S)-7,8-Dihydro-7-hydroxy-8,8-dimethyl-2H,6H-benzo[1,2-b:5,4-b']dipyran-2-one

(7S)-7α-Hydroxy-8,8-dimethyl-7,8-dihydro-2H,6H-benzo[1,2-b:5,4-b']dipyran-2-one