Table 3.

Longitudinal relaxation rates (s⁻¹) of ¹⁹F-based contrast agents at 25 ºC and 4.7, 7, and 9.4 T.

Complex	4.7	7.0	9.4	Reference
28	84.0	113.0	146.6	63
29	103.8	143.9	184.8	63
30	58.1	88.0	120.1	63
31	71.1	90.9	108.9	63
32	46.6	56.4	63.3	63
33	108a	–	183a	65
34	–	–	694	66
35	–	–	160	66
36	–	–	69.9	66
37	–	–	130	66

^a22 °C