preferred_name: succinate(out) + 3 Na(+)(out) => succinate(in) + 3 Na(+)(in)
preferred_name_lc: succinate(out) + 3 na(+)(out) => succinate(in) + 3 na(+)(in)
label: succinate(out) + 3 Na(+)(out) => succinate(in) + 3 Na(+)(in)
label_lc: succinate(out) + 3 na(+)(out) => succinate(in) + 3 na(+)(in)