32686-09-2

2-Methyl-2-butenoic acid [9,10-dihydro-8,8-dimethyl-10-[(3-methylthio-1-oxo-2-propenyl)oxy]-2-oxo-2H,8H-benzo[1,2-b:3,4-b]dipyran-9-yl] ester

2-Methyl-2-butenoic acid [9,10-dihydro-8,8-dimethyl-10-[(3-methylthio-1-oxo-2-propenyl)oxy]-2-oxo-2H,8H-benzo[1,2-b:3,4-b]dipyran-9-yl] ester