连翘酯苷B，Forsythoside B；≥98%

别名：[(2R,3R,4R,5R,6R)-2-[[(2R,3R,4R)-3,4-dihydroxy-4-(hydroxymethyl)oxolan-2-yl]oxymethyl]-6-[2-(3,4-dihydroxyphenyl)ethoxy]-5-hydroxy-4-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-3-yl] (E)-3-(3,4-dihydroxyphenyl)prop-2-enoate

(2R,3R,4R,5R,6R)-2-((((2R,3R,4R)-3,4-Dihydroxy-4-(hydroxymethyl)tetrahydrofuran-2-yl)oxy)methyl)-6-(3,4-dihydroxyphenethoxy)-5-hydroxy-4-(((2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-3-yl (E)-3-(3,4-dihydroxyphenyl)acrylate