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