2-Acetyl-3-methyl-6-carboxy-1,8-dihydroxynaphthalene-8-O-beta-D-glucopyranoside 2-naphthalenecarboxylic acid, 6-acetyl-4-(beta-D-glucopyranosyloxy)-5-hydroxy-7-methyl- 6-Acetyl-5-hydroxy-7-methyl-4-(3,4,5-trihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-naphthalene-2-carboxylic acid 6-acetyl-4-(beta-glucopyranosyloxy)-5-hydroxy-7-methyl-2-naphthoic acid InChI=1/C20H22O10/c1-7-3-9-4-10(19(27)28)5-11(14(9)16(24)13(7)8(2)22)29-20-18(26)17(25)15(23)12(6-21)30-20/h3-5,12,15,17-18,20-21,23-26H,6H2,1-2H3,(H,27,28)/t12-,15-,17+,18-,20-/m1/s Rumexoside