benzopyran,butanoic,deriv,furo[2,3-h]
Furo[2,3-h]
24946-58-5[1]Benzopyrano[3,4-b]furo[2,3-h][1]benzopyran-6(6aH)-one,2-(1-chloro-2-hydroxy-1-methylethyl)-1,2,12,12a-tetrahydro-8,9-dimethoxy-,(2R,6aS,12aS)-
53014-38-39-Acetyl-9,9a-dihydro-6a-methyl-3-(3,5-dimethyl-1,3-heptadienyl)-6H-furo[2,3-h]-2-benzopyran-6,8(6aH)-dione