Pharmacokinetics, 3 exponentials
 2
Time
Concentration
 15
 0.1           4.7
 0.3           13.2
 0.5           20.8
 1             36.3
 2.5           61.4
 5             68.1
 7.5           61.1
 10            52.1
 15            37.3         
 20            27.5         
 25            21.1         
 30            16.9         
 40            11.4         
 50            8.2          
 60            5.9