preferred_name: urate + succinate + CO2 => xanthine + 2-oxoglutarate + O2
preferred_name_lc: urate + succinate + co2 => xanthine + 2-oxoglutarate + o2
label: urate + succinate + CO2 => xanthine + 2-oxoglutarate + O2
label_lc: urate + succinate + co2 => xanthine + 2-oxoglutarate + o2