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