Mass spectra of some lignans containing either γ‐butyrolactone, 1,2,3,4‐tetrahydro‐naphthalene or the 3,7‐dioxabicyclo[3. 3. 0]octane ring systems are reported. Probable structures are presented for the more abundant ions in the mass spectra of these lignans.
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Alan M. Duffield (1967) studied this question.
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