preferred_name: urate(in) + n chloride(out) => urate(out) + n chloride(in)
preferred_name_lc: urate(in) + n chloride(out) => urate(out) + n chloride(in)
label: urate(in) + n chloride(out) => urate(out) + n chloride(in)
label_lc: urate(in) + n chloride(out) => urate(out) + n chloride(in)