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