preferred_name: iodide(out) + 2 Na(+)(out) = iodide(in) + 2 Na(+)(in)
preferred_name_lc: iodide(out) + 2 na(+)(out) = iodide(in) + 2 na(+)(in)
label: iodide(out) + 2 Na(+)(out) = iodide(in) + 2 Na(+)(in)
label_lc: iodide(out) + 2 na(+)(out) = iodide(in) + 2 na(+)(in)