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