Avicennol

trans-Avicennol

6-[(E)-3-Hydroxy-3-methyl-1-butenyl]-5-methoxy-2,2-dimethyl-2H,8H-benzo[1,2-b:3,4-b']dipyran-8-one

2,2-Dimethyl-5-methoxy-6-[(E)-3-hydroxy-3-methyl-1-butenyl]-2H,8H-benzo[1,2-b:3,4-b']dipyran-8-one