Abstract
The title compound, C22H23NO5, crystallizes with two independent molecules in the asymmetric unit. In one molecule, the dihedral angle between one outer ring and the central ring is 86.37 (10)°, while that between the two outer rings is 88.99 (10)°; in the other molecule, these angles are 87.37 (9) and 88.14 (9)°, respectively. The molecules are linked into two chains by a combination of O—H⋯O and C—H⋯O hydrogen bonds.
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