ss-(3,4-dihydroxyphenyl)ethyl 5-O-syringoyl-beta-D-apiofuranosyloxy-(1-2)-O-(alpha-L-rhamnopyranosyl-(1-3))-beta-D-glucopyranoside
ss-(3,4-dihydroxyphenyl)ethyl 5-o-syringoyl-beta-d-apiofuranosyloxy-(1-2)-o-(alpha-l-rhamnopyranosyl-(1-3))-beta-d-glucopyranoside