preferred_name: D-xylose(in) + 2 Na(+)(in) => D-xylose(out) + 2 Na(+)(out)
preferred_name_lc: d-xylose(in) + 2 na(+)(in) => d-xylose(out) + 2 na(+)(out)
label: D-xylose(in) + 2 Na(+)(in) => D-xylose(out) + 2 Na(+)(out)
label_lc: d-xylose(in) + 2 na(+)(in) => d-xylose(out) + 2 na(+)(out)