preferred_name: sulfate(out) + phosphate(in) => sulfate(in) + phosphate(out)
preferred_name_lc: sulfate(out) + phosphate(in) => sulfate(in) + phosphate(out)
label: sulfate(out) + phosphate(in) => sulfate(in) + phosphate(out)
label_lc: sulfate(out) + phosphate(in) => sulfate(in) + phosphate(out)