3-(4-Hydroxy-phenyl)-acrylic acid 4-oxo-3-(3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-4H-pyran-2-ylmethyl ester 7-O-p-Coumaroylhydroxymaltol 3-O-beta-D-glucopyranoside Bockioside B InChI=1/C21H22O11/c22-9-14-17(26)18(27)19(28)21(31-14)32-20-13(24)7-8-29-15(20)10-30-16(25)6-3-11-1-4-12(23)5-2-11/h1-8,14,17-19,21-23,26-28H,9-10H2/b6-3