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