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