The structure of the sulfated analogue of cauloside C, a biologically active triterpenoid glycoside, was elucidated to be 3-O-[beta-D-glucopyranosyl-(1-->2)-alpha-L-arabinopyranosyl]-he deragenin 23,4',4",6"-tetrasulfate pentasodium salt by the comparison of its 13C NMR spectrum with that of cauloside C potassium salt.
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