preferred_name: imidazol-4-one + NH4(+) => 4-aminoimidazole + H2O + H(+)
preferred_name_lc: imidazol-4-one + nh4(+) => 4-aminoimidazole + h2o + h(+)
label: imidazol-4-one + NH4(+) => 4-aminoimidazole + H2O + H(+)
label_lc: imidazol-4-one + nh4(+) => 4-aminoimidazole + h2o + h(+)