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Keywords:

  • 1H–13C 1D NMR;
  • 1H–13C 2D NMR (HSQC; HMBC);
  • choline kinase inhibitors;
  • antiproliferative compounds

1H and 13C NMR spectroscopic data of 20 new non-symmetrical compounds were assigned by a combination of 1D and 2D NMR experiments (DEPT, HSQC, and HMBC). These compounds contain a 4-(N,N-dimethylamino)- or 4-(pyrrolidin-1-yl)pyridinium moiety and a 3-nitro-, 3-amino-, or 3-hydroxyphenyl ring, linked by p-xylene, 4,4′-dimethylbiphenyl, 1,2-bis(p-tolyl)ethane, or 1,4-bis(p-tolyl)butane. Copyright © 2013 John Wiley & Sons, Ltd.