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