2-Butenoicacid, 2-methyl-,1-[8,9-dihydro-9-(2-methyl-1-oxopropoxy)-2-oxo-2H-furo[2,3-h]-1-benzopyran-8-yl]-1-methylethylester, [8S-[8a(Z),9a]]-

Order 103654-58-6 butenoicacid,methyl,dihydro,oxopropoxy,benzopyran,methylethylester,furo[2,3-h]
Furo[2,3-h]
20421-12-94,8-Dimethoxy-2,3,6a,8,9,9a-hexahydrocyclopenta[c]furo[3,2:4,5]furo[2,3-h][1]benzopyran-1,11-dione