preferred_name: an oxidized flavin + NADH + 2 H(+) => a reduced flavin + NAD(+)
preferred_name_lc: an oxidized flavin + nadh + 2 h(+) => a reduced flavin + nad(+)
label: an oxidized flavin + NADH + 2 H(+) => a reduced flavin + NAD(+)
label_lc: an oxidized flavin + nadh + 2 h(+) => a reduced flavin + nad(+)