12-(3,4-Dihydroxy-phenyl)-20-ethylidene-16,17,18-trihydroxy-9-oxo-2,4,10,13,19-pentaoxa-tricyclo[13.3.1.1^(3,7)]icos-5-ene-6-carboxylic acid methyl ester D-glucitol, 1,5-anhydro-1-C-[7-hydroxy-5-methyl-4-oxo-2-(2-oxopropyl)-4H-1-benzopyran-8-yl]-, (1R)- Fraxamoside InChI=1/C25H30O13/c1-3-12-13-7-19(28)35-9-17(11-4-5-15(26)16(27)6-11)34-10-18-20(29)21(30)22(31)25(37-18)38-24(12)36-8-14(13)23(32)33-2/h3-6,8,13,17-18,20-22,24-27,29-31H,7,9-10H2,1-2H3/b12-3+/t13-,17-,18+,20+,21-,22+,24-,25-/m0/s methyl rel-(1R,3R,7R,12S,15S,16R,17R,18S,20E)-12-(3,4-dihydroxyphenyl)-20-ethylidene-16,17,18-trihydroxy-9-oxo-2,4,10,13,19-pentaoxatricyclo[13.3.1.1~3,7~]icos-5-ene-6-carboxylate (non-preferred name)