Line Plot from Scientific Research

1H NMR spectrum (600 MHz, CDCl3, 298 K) of theC14-Catenanewith assignment of thein,out-isomer signals and a zoom region (600 MHz, CDCl3, 298 K) of the methyl ester (MeO) signals showing four singlets due to the formation of three differenttrans-3 isomers. Grey boxes: schematic and calculated (Ghemical) structures of thein,in-,in,out- andout,out-isomers.

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