4H-1-benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-6-(3,7-dimethyl-2,6-octadienyl)-2,3-dihydro-3,5,7-trihydroxy-, (2R,3R)- InChI=1/C25H28O7/c1-13(2)5-4-6-14(3)7-9-16-18(27)12-20-21(22(16)29)23(30)24(31)25(32-20)15-8-10-17(26)19(28)11-15/h5,7-8,10-12,24-29,31H,4,6,9H2,1-3H3/b14-7+/t24-,25+/m0/s rel-(2R,3R)-2-(3,4-dihydroxyphenyl)-6-(3,7-dimethylocta-2,6-dien-1-yl)-3,5,7-trihydroxy-2,3-dihydro-4H-chromen-4-one