IUPAC:2-(4-{2-[2-(3,4-dihydroxyphenyl)ethoxy]-2-oxoethyl}-5-(methoxycarbonyl)-2-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-3,4-dihydro-2H-pyran-3-ylidene)acetic acid
IUPAC:2-(4-{2-[2-(3,4-dihydroxyphenyl)ethoxy]-2-oxoethyl}-5-(methoxycarbonyl)-2-{[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy}-3,4-dihydro-2H-pyran-3-ylidene)acetic acid