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