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