In the title compound, C40H66O4, the C and O atoms of the propinyl and dodecoxyl substituents are nearly coplanar with the benzene ring, 1.735 (6), 8.804 (1), 8.786 (1) and 9.577 (3)°, respectively. In the crystal, molecules are connected by intermolecular O—H⋯O hydrogen bonds.
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