precorrin-2 + NAD(+) <=> sirohydrochlorin + NADH + 2 H(+)
precorrin-2 + nad(+) <=> sirohydrochlorin + nadh + 2 h(+)
precorrin-2 + NAD(+) <=> sirohydrochlorin + NADH + 2 H(+)
precorrin-2 + nad(+) <=> sirohydrochlorin + nadh + 2 h(+)