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The 1H NMR signals at δH 5.93 (1H) and 4.85 (2H) assignMaabr.lDerutogsa20n18o,l1e6fi, xnic proton and methylene pMroart.oDnrusgsa2t0t1h8,e16α,-xand γ-positions of the α,β-un7 soaft1u4rated γ-lactone, respectively, reveals that the long chain hydrocarbon group is attached at...