IUPAC:(2R,3S)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3,4-dihydro-2H-1-benzopyran-3-yl (3S)-5-(3,4-dihydroxyphenyl)-3-hydroxypentanoate
IUPAC:(2R,3S)-2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3,4-dihydro-2H-1-benzopyran-3-yl (3S)-5-(3,4-dihydroxyphenyl)-3-hydroxypentanoate