k1 = d
k2 = beta
k3 = rho
k4 = psi_1
k5 = delta
k6 = mu_1
k7 = s_1
k8 = s_2
k9 = mu_2
k10 = s_1_prime
k11 = s_2_prime
k12 = psi_2
k13 = p_1
k14 = delta_1
k15 = p_2
k16 = p_3
k17 = delta_2
k18 = q_1
k19 = q_2
k20 = r_e
k21 = alpha
k22 = p
k23 = s_3
k24 = s_4
k25 = c
k26 = k
k27 = d_a
k28 = q
k29 = compartment