k1 = F
k2 = v_1
k3 = K1
k4 = n
k5 = v_2
k6 = K2
k7 = vc
k8 = K
k9 = Kc
k10 = L
k11 = k3
k12 = v_4
k13 = K4
k14 = k5
k15 = v_6
k16 = K6
k17 = k7
k18 = v_8
k19 = K8
k20 = compartment