2-Butenoicacid, 2-methyl-, 9,10-dihydro-8,8-dimethyl-2,10-dioxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-ylester, [R-(E)]-

2-Butenoicacid, 2-methyl-, 9,10-dihydro-8,8-dimethyl-2,10-dioxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-ylester, [R-(E)]- · CAS 156041-02-0

2-Butenoicacid, 2-methyl-, 9,10-dihydro-8,8-dimethyl-2,10-dioxo-2H,8H-benzo[1,2-b:3,4-b']dipyran-9-ylester, [R-(E)]-