preferred_name: 5-hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate + H(+) => (S)-allantoin + CO2
preferred_name_lc: 5-hydroxy-2-oxo-4-ureido-2,5-dihydro-1h-imidazole-5-carboxylate + h(+) => (s)-allantoin + co2
label: 5-hydroxy-2-oxo-4-ureido-2,5-dihydro-1H-imidazole-5-carboxylate + H(+) => (S)-allantoin + CO2
label_lc: 5-hydroxy-2-oxo-4-ureido-2,5-dihydro-1h-imidazole-5-carboxylate + h(+) => (s)-allantoin + co2