k1 = a
k2 = b
k3 = mu
k4 = beta
k5 = nu
k6 = c_1
k7 = c_2
k8 = c_3
k9 = c_4
k10 = c_5
k11 = d_1
k12 = d_2
k13 = d_3
k14 = p
k15 = q
k16 = r
k17 = s
k18 = T_Total
k19 = compartment