preferred_name: (R)-carnitine(in) + Na(+)(in) => (R)-carnitine(out) + Na(+)(out)
preferred_name_lc: (r)-carnitine(in) + na(+)(in) => (r)-carnitine(out) + na(+)(out)
label: (R)-carnitine(in) + Na(+)(in) => (R)-carnitine(out) + Na(+)(out)
label_lc: (r)-carnitine(in) + na(+)(in) => (r)-carnitine(out) + na(+)(out)