IUPAC:1-(2,6-dihydroxyphenyl)-9-{3'-[9-(3,4-dihydroxyphenyl)nonanoyl]-2',4,4',5-tetrahydroxy-[1,1'-biphenyl]-2-yl}nonan-1-one
IUPAC:1-(2,6-dihydroxyphenyl)-9-{3'-[9-(3,4-dihydroxyphenyl)nonanoyl]-2',4,4',5-tetrahydroxy-[1,1'-biphenyl]-2-yl}nonan-1-one