Synonyms: Magnesium,[1-(carboxy-kO)-2-(3,4-dihydroxyphenyl)ethyl4-[3-[1-(carboxy-kO)-2-(3,4-dihydroxyphenyl)ethoxy]-3-(oxo-kO)-1-propenyl]-2-(3,4-dihydroxyphenyl)-2,3-dihydro-7-hydroxy-3-benzofurancarboxylato(2-)-kO3']-, [T-4-[2S-[2a,3b(S*),4[E(S*)]]]]-; 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-,1-carboxy-2-(3,4-dihydroxyphenyl)ethyl ester, magnesium complex, [2S-[2a,3b(S*),4[E(S*)]]]-; Magnesium lithospermate B; Magnesiumtanshinoate B; Magnesium, [1-carboxy-2-(3,4-dihydroxyphenyl)ethyl4-[3-[1-carboxy-2-(3,4-dihydroxyphenyl)ethoxy]-3-oxo-1-propenyl]-2-(3,4-dihydroxyphenyl)-2,3-dihydro-7-hydroxy-3-benzofurancarboxylato(2-)]-,[T-4-[2S-[2a,3b(S*),4[E(S*)]]]]-