preferred_name: guanosine(in) + 2 Na(+)(in) => guanosine(out) + 2 Na(+)(out)
preferred_name_lc: guanosine(in) + 2 na(+)(in) => guanosine(out) + 2 na(+)(out)
label: guanosine(in) + 2 Na(+)(in) => guanosine(out) + 2 Na(+)(out)
label_lc: guanosine(in) + 2 na(+)(in) => guanosine(out) + 2 na(+)(out)