preferred_name: precorrin-2 + NAD(+) => sirohydrochlorin + NADH + 2 H(+)
preferred_name_lc: precorrin-2 + nad(+) => sirohydrochlorin + nadh + 2 h(+)
label: precorrin-2 + NAD(+) => sirohydrochlorin + NADH + 2 H(+)
label_lc: precorrin-2 + nad(+) => sirohydrochlorin + nadh + 2 h(+)