Synonyms: b-D-Glucopyranoside, 2-(3,4-dihydroxyphenyl)ethyl3-O-(6-deoxy-a-L-mannopyranosyl)-,6-[3-(3,4-dihydroxyphenyl)-2-propenoate], (E)-;Isoacteoside;Isoverbascoside;[(2R,3R,4S,5R,6R)-5-(3,4-Dihydroxyphenyl)-6-ethoxy-3,5-dihydroxy-4-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]methyl (E)-3-(3,4-dihydroxyphenyl)prop-2-enoate;