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. 2014 Sep 16;53(19):10748–10761. doi: 10.1021/ic502005u

Table 1. T1- and T2-Relaxivity (mM–1 s–1) of Isolable Mn(II) and Mn(III) Complexes at pH 7.4, 37 °C, 1.4 T.

  Mn(II)
 Mn(III)
  r1 r2 r1 r2
HBET 2.8 9.4 1.1 2.7
HBET–OMe 3.1 11.1    
HBET–NO2 2.3 4.8 0.5 1.0
CyHBET 3.3 6.0 0.4 0.9
CyHBET–OMe 3.3 5.8    
CyHBET–NO2 2.3 3.7 0.5 0.9