(4S,5R)-5-((9S,10S)-9-((tert-butyldimethylsilyl)oxy)-12,12,13,13-tetramethyl-2,5,7,11-tetraoxa-12-silatetradecan-10-yl)-2,2-dimethyl-1,3-dioxolane-4-carboxylic acid

3-O-β-D-xylopyranosyl-25-O-β-D-glucopyranosyl-3β,6α,16β,24(S),25-pentahydroxy-cycloartane

agrostemmoside A

agrostemmoside D

fucatoside B