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