9,10-Dihydroxy-5-methoxy-8,8-dimethyl-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-2-one

2H,8H-Benzo[1,2-b:3,4-b′]dipyran-2-one, 9,10-dihydro-9,10-dihydroxy-5-methoxy-8,8-dimethyl-

9,10-Dihydroxy-5-methoxy-8,8-dimethyl-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-2-on

9,10-Dihydroxy-5-methoxy-8,8-dimethyl-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-2-one

9,10-Dihydroxy-5-méthoxy-8,8-diméthyl-9,10-dihydro-2H,8H-pyrano[2,3-f]chromén-2-one

119139-64-9

119239-48-4

13,14-dihydroxy-8-methoxy-12,12-dimethyl-3,11-dioxatricyclo[8.4.0.0^{2,7}]tetradeca-1(10),2(7),5,8-tetraen-4-one

9,10-dihydroxy-5-methoxy-8,8-dimethyl-2H,8H,9H,10H-pyrano[2,3-h]chromen-2-one

9,10-dihydroxy-5-methoxy-8,8-dimethyl-9H,10H-pyrano[2,3-h]chromen-2-one

cis-Grandmarin

pyranocoumarin

trans-Grandmarin