Table 1.

Relaxivities (mM⁻¹ s⁻¹) per-Gd^III of T₁-shortening contrast agents at 37 °C in blood.^32,33

Complex	1.5 T	3 T	7 T
1	4.3	3.6	3.4
2	4.2	3.6	3.4
3	6.7	5.8	4.8
4	4.4	3.5	3.3
5	19	11.3	5.4
6	4.6	3.9	3.7