2-Butenoic acid,2-methyl-,(7S)-7,8-dihydro-8,8-dimethyl-2-oxo-2H,6H-benzo[1,2-b:5,4-b']dipyran-7-ylester, (2Z)-

2-Butenoic acid,2-methyl-,(7S)-7,8-dihydro-8,8-dimethyl-2-oxo-2H,6H-benzo[1,2-b:5,4-b']dipyran-7-ylester, (2Z)- · CAS 130848-06-5