英文名称:Rebaudioside M; (4alpha)-13-[(O-beta-D-Glucopyranosyl-(1→2)-O-[beta-D-glucopyranosyl-(1→3)]-beta-D-glucopyranosyl)oxy]-kaur-16-en-18-oic acid O-beta-D-glucopyranosyl-(1→2)-O-[beta-D-glucopyranosyl-(1→3)]-beta-D-glucopyranosyl ester; Rebaudioside X