5,11,11-Trimethyl-16-oxatetracyclo[6.6.2.0(1,10).0(2,7)]hexadeca-2,4,6-trien-4-ol

In the title compound, C18H24O2, one of the cyclohexane rings adopts a chair conformation and the other adopts a boat conformation. Molecules are linked by intermolecular O-H center dot center dot center dot O hydrogen bonds, forming ribbons along the b axis.