preferred_name: sirohydrochlorin + Co(2+) => Co-sirohydrochlorin + 2 H(+)
preferred_name_lc: sirohydrochlorin + co(2+) => co-sirohydrochlorin + 2 h(+)
label: sirohydrochlorin + Co(2+) => Co-sirohydrochlorin + 2 H(+)
label_lc: sirohydrochlorin + co(2+) => co-sirohydrochlorin + 2 h(+)