Synonyms: 3-Benzofurancarboxylicacid,4-[(1E)-3-[(1R)-1-carboxy-2-(3,4-dihydroxyphenyl)ethoxy]-3-oxo-1-propenyl]-2-(3,4-dihydroxyphenyl)-2,3-dihydro-7-hydroxy-,3-[(1R)-1-carboxy-2-(3,4-dihydroxyphenyl)ethyl] ester, (2S,3S)- (9CI);3-Benzofurancarboxylic acid,4-[3-[1-carboxy-2-(3,4-dihydroxyphenyl)ethoxy]-3-oxo-1-propenyl]-2-(3,4-dihydroxyphenyl)-2,3-dihydro-7-hydroxy-,3-[1-carboxy-2-(3,4-dihydroxyphenyl)ethyl] ester, [2S-[2a,3b(S*),4[E(S*)]]]-;Dan Shen Suan B;Danfensuan B;