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2-(3,4-dihydroxyphenyl)ethyl 3-O-(6-deoxy-alpha-L-mannopyranosyl)-4-O-[(2E)-3-(3,4-dihydroxyphenyl)prop-2-enoyl]-2-O-{[(2S,3Z)-3-ethylidene-2-(beta-D-glucopyranosyloxy)-5-(methoxycarbonyl)-3,4-dihydro related products: