k1 = body
k2 = __lp_r2_a
k3 = __lp_r3_V
k4 = __lp_r3_Km
k5 = __lp_r4_V1
k6 = __lp_r4_K1
k7 = __lp_r5_V2
k8 = __lp_r5_K2
k9 = __lp_r6_V3
k10 = __lp_r6_k3
k11 = __lp_r7_V
k12 = __lp_r7_Km