Cc1n[nH]c(C)c1[N+](=O)[O-]    mol6885    0_1
Cc1[nH][nH+]c(C)c1[N+](=O)[O-]    mol6885    1_1
Cc1n[n-]c(C)c1[N+](=O)[O-]    mol6885    -1_1