5b,7,9-trihydroxy-2,2-dimethyl-8-(3-methylbut-2-en-1-yl)-5b,11a-dihydro-2H,6H-furo[2,3-b:4,5-g′]dichromen-6-one

2H,6H-Pyrano[3′,2′:5,6]benzofuro[2,3-b][1]benzopyran-6-one, 5b,11a-dihydro-5b,7,9-trihydroxy-2,2-dimethyl-8-(3-methyl-2-buten-1-yl)-

5b,7,9-Trihydroxy-2,2-dimethyl-8-(3-methyl-2-buten-1-yl)-5b,11a-dihydro-2H,6H-chromeno[6′,7′:4,5]furo[2,3-b]chromen-6-on

5b,7,9-Trihydroxy-2,2-dimethyl-8-(3-methyl-2-buten-1-yl)-5b,11a-dihydro-2H,6H-chromeno[6′,7′:4,5]furo[2,3-b]chromen-6-one

5b,7,9-Trihydroxy-2,2-diméthyl-8-(3-méthyl-2-butén-1-yl)-5b,11a-dihydro-2H,6H-chroméno[6′,7′:4,5]furo[2,3-b]chromén-6-one

5b,7,9-trihydroxy-2,2-dimethyl-8-(3-methylbut-2-en-1-yl)-5b,11a-dihydro-2H,6H-furo[2,3-b:4,5-g′]dichromen-6-one

2H,6H-chromeno[6′,7′:4,5]furo[2,3-b]chromen-6-one, 5b,11-dihydro-2,2-dimethyl-8-(3-methylbut-2-enyl)-5b,7,9-trihydroxy-

497858-69-2