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In the title compound, C(24)H(29)BrO(6), the dihedral angle between the cyclo-hexenone mean planes is 57.63 (2)° while the dihedral angles between the benzene ring and the cyclo-hexenone mean planes are 58.42 (2) and 69.08 (3)°. The two cyclo-hexenone rings both show an envelope conformation, with the C atom bearing two methyl groups as the flap atom in each ring. Two intra-molecular O-H⋯O hydrogen bonds occur. In the crystal, molecules are linked via pairs of O-H⋯O hydrogen bonds, forming inversion dimers.

2,2′-[(3-Bromo-4-hydroxy-5-methoxyphenyl)methylidene]bis(3-hydroxy-5,5-dimethylcyclohex-2-en-1-one)