2-(3,4-Dihydroxy-phenyl)-5-hydroxy-8,8-dimethyl-10-(3-methyl-but-2-enyl)-2,3-dihydro-8H-pyrano[3,2-g]chromen-4-one 2-propenoic acid, 3-(3,4-dihydroxyphenyl)-, 2-(3,4-dihydroxyphenyl)ethyl ester, (2E)- 6,7-(2,2-Dimethylpyrano)-8-prenyl-5,3',4'-trihydroxyflavanone 8-(3,4-dihydroxyphenyl)-5-hydroxy-2,2-dimethyl-10-(3-methylbut-2-en-1-yl)-7,8-dihydro-2H,6H-pyrano[3,2-g]chromen-6-one Dorsmanin I InChI=1/C25H26O6/c1-13(2)5-7-16-23-15(9-10-25(3,4)31-23)22(29)21-19(28)12-20(30-24(16)21)14-6-8-17(26)18(27)11-14/h5-6,8-11,20,26-27,29H,7,12H2,1-4H