Disodium 3-[[6-O-(6-deoxy-.alpha.-L-mannopyranosyl)-.beta.-D-glucopyranosyl]oxy]-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4H-1-benzopyran-4-one disulphate; Disodium rutinyl disulfate; Rutin sodium sulfate CAS NO:12768-44-4