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