2-Propenoic acid, 3-(3,4-dihydroxyphenyl)-, 4'-ester with 4-(beta-D-glucopyranosyloxy)-alpha-hydroxybenzeneacetonitrile 91919-94-7 Benzeneacetonitrile, 4-((4-O-(3-(3,4-dihydroxyphenyl)-1-oxo-2-propenyl)-beta-D-glucopyranosyl)oxy)-alpha-hydroxy- Nandinin