k1 = parameter_0 k2 = parameter_1 k3 = parameter_2 k4 = parameter_3 k5 = parameter_4 k6 = parameter_5 k7 = parameter_6 k8 = parameter_7 k9 = parameter_8 k10 = parameter_9 k11 = parameter_10 k12 = parameter_11 k13 = parameter_12 k14 = parameter_13 k15 = parameter_14 k16 = parameter_15 k17 = parameter_16 k18 = parameter_17 k19 = parameter_18 k20 = parameter_19 k21 = compartment_0