Synonyms: Silybin sodium hemisuccinate;SIHS sodium;Silibinin-2',3-dihydrogensuccinate sodium salt;Silybin dihemisuccinate disodium;Silybin disodium hemisuccinate;Silybin hemisuccinate sodium salt;Silybin sodium dihemisuccinate;Butanedioic acid, mono((6-(3-(3-carboxy-1-oxopropoxy)-3,4-dihydro-5,7-dihydroxy-4-oxo-2H-1-benzopyran-2-yl)-2,3-dihydro-3-(4-hydroxy-3-methoxyphenyl)-1,4-benzodioxin-2-yl)methyl) ester, disodium salt, (2R-(2alpha,3beta,6(2R*,3R*)))-;Butanedioic acid, mono((6-(3-(3-carboxy-1-oxopropoxy)-3,4-dihydro-5,7-dihydroxy-4-oxo-2H-1-benzopyran-2-yl)-2,3-dihydro-3-(4-hydroxy-3-methoxyphenyl)-1,4-benzodioxin-2-yl)methyl) ester,disodium salt, (2R-(2-alpha,3-beta,6(2R*,3R*)))-;disodium 4-{[(2R,3R)-6-{(2R,3R)-3-[(3-carboxylatopropanoyl)oxy]-5,7-dihydroxy-4-oxo-3,4-dihydro-2H-chromen-2-yl}-3-(4-hydroxy-3-methoxyphenyl)-2,3-dihydro-1,4-benzodioxin-2-yl]methoxy}-4-oxobutanoate