IUPAC:3,4,6-trihydroxy-8-[(2R,3R)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-2-yl]-1-[(2R,3S)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-2-yl]-5H-benzo[7]annulen-5-one
IUPAC:3,4,6-trihydroxy-8-[(2R,3R)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-2-yl]-1-[(2R,3S)-3,5,7-trihydroxy-3,4-dihydro-2H-1-benzopyran-2-yl]-5H-benzo[7]annulen-5-one