CC(=O)C(C[NH+](C)C)=N[O-]    mol9812    0_1
CC(=O)C(CN(C)C)=NO    mol9812    0_2
CC(=O)C(CN(C)C)=[NH+]O    mol9812    1_1
CC(=O)C(C[NH+](C)C)=NO    mol9812    1_2
CC(=O)C(CN(C)C)=N[O-]    mol9812    -1_1