CC(=NO)C(=O)NO    mol12471    0_1
CC(=[NH+]O)C(=O)N[O-]    mol12471    0_2
CC(=NO)C(=O)N[O-]    mol12471    -1_1
CC(=N[O-])C(=O)NO    mol12471    -1_2
CC(=N[O-])C(=O)N[O-]    mol12471    -2_1