82854-37-3 Echinacoside Glucopyranoside, 2-(3,4-dihydroxyphenyl)ethyl O-6-deoxy-alpha-L-mannopyranosyl-(1-3)-O-(beta-D-glucopyranosyl-(1-6))-, 4-(3-(3,4-dihydroxyphenyl)-2-propenoate), beta-D-