k1 = f
k2 = BZ
k3 = __lp_r2_k1
k4 = __lp_r3_k2
k5 = __lp_r4_k3
k6 = __lp_r5_k4
k7 = __lp_r6_k5
k8 = BrO3
k9 = HOBr