11α,12α-epoxy-3-O-β-D-xylopyranosyl-(1->3)-α-L-rhamnopyranosyl-(1->2)-β-D-xylopyranosylolean-28,13β-olide

英文名：11α,12α-epoxy-3-O-β-D-xylopyranosyl-(1->3)-α-L-rhamnopyranosyl-(1->2)-β-D-xylopyranosylolean-28,13β-olide