preferred_name: (S)-lactate(out) + Na(+)(out) <=> (S)-lactate(in) + Na(+)(in)
preferred_name_lc: (s)-lactate(out) + na(+)(out) <=> (s)-lactate(in) + na(+)(in)
label: (S)-lactate(out) + Na(+)(out) <=> (S)-lactate(in) + Na(+)(in)
label_lc: (s)-lactate(out) + na(+)(out) <=> (s)-lactate(in) + na(+)(in)