4H-1-benzopyran-4-one, 3-(beta-D-glucopyranosyloxy)-5,7-dihydroxy-2-[4-hydroxy-3-(sulfooxy)phenyl]-, ion(1-) 5-[3-(beta-glucopyranosyloxy)-5,7-dihydroxy-4-oxo-4H-chromen-2-yl]-2-hydroxyphenyl sulfate Centabractein InChI=1/C21H20O15S/c22-6-13-15(26)17(28)18(29)21(34-13)35-20-16(27)14-10(25)4-8(23)5-12(14)33-19(20)7-1-2-9(24)11(3-7)36-37(30,31)32/h1-5,13,15,17-18,21-26,28-29H,6H2,(H,30,31,32)/p-1/t13-,15-,17+,18-,21+/m1/s Quercetin 3-O-beta-D-glucopyranoside 3'-sulphate sodium salt