4H-1-benzopyran-4-one, 5-hydroxy-3-(4-hydroxyphenyl)-6-methoxy-7-[[6-O-[(2R,3R,4R)-tetrahydro-3,4-dihydroxy-4-(hydroxymethyl)-2-furanyl]-beta-D-glucopyranosyl]oxy]- 5-hydroxy-3-(4-hydroxyphenyl)-6-methoxy-4-oxo-4H-chromen-7-yl rel-6-O-[(2R,3R,4R)-3,4-dihydroxy-4-(hydroxymethyl)tetrahydrofuran-2-yl]-beta-D-glucopyranoside 7-[6-(3,4-Dihydroxy-4-hydroxymethyl-tetrahydro-furan-2-yloxymethyl)-3,4,5-trihydroxy-tetrahydro-pyran-2-yloxy]-5-hydroxy-3-(4-hydroxy-phenyl)-6-methoxy-chromen-4-one InChI=1/C27H30O15/c1-37-23-15(6-14-17(20(23)32)18(30)13(7-38-14)11-2-4-12(29)5-3-11)41-25-22(34)21(33)19(31)16(42-25)8-39-26-24(35)27(36,9-28)10-40-26/h2-7,16,19,21-22,24-26,28-29,31-36H,8-10H2,1H3/t16-,19-,21+,22-,24+,25-,26-,27-/m1/s Tectorigenin 7-O-[beta-D-apiofuranosyl-(1-