4207-90-3

(2R)-8,9-Dimethoxy-2α-[1-[(6-O-α-L-arabinopyranosyl-β-D-glucopyranosyl)oxymethyl]ethenyl]-1,2,12,12aα-tetrahydro[1]benzopyrano[3,4-b]furo[2,3-h][1]benzopyran-6(6aαH)-one