[CH2-][n+]1cccc(C(=O)CC(N)=O)c1    mol26878    0_1
C[n+]1cccc(C(=O)CC([NH-])=O)c1    mol26878    0_2
C[n+]1cccc(C(=O)[CH-]C(N)=O)c1    mol26878    0_3
C[n+]1cccc(C(=O)CC(N)=O)c1    mol26878    1_1