1',2'-(3,4-Dihydroxyphenyl-alpha,beta-dioxoethanol)-4'-O-caffeoyl-O-rhamnopyranosyl-1-3-O-glucopyranoside 145985-09-7 Crenatoside beta-D-Glucopyranose, 3-O-(6-deoxy-alpha-L-mannopyranosyl)-1,2-O-(2-(3,4-dihydroxyphenyl)-1,2-ethanediyl)-, 4-(3-(3,4-dihydroxyphenyl)-2-propenoate), (1(S),4(E))-