preferred_name: sirohydrochlorin + Ni(2+) => Ni-sirohydrochlorin + 2 H(+)
preferred_name_lc: sirohydrochlorin + ni(2+) => ni-sirohydrochlorin + 2 h(+)
label: sirohydrochlorin + Ni(2+) => Ni-sirohydrochlorin + 2 H(+)
label_lc: sirohydrochlorin + ni(2+) => ni-sirohydrochlorin + 2 h(+)