CCOc1nc(N(C)C)ncc1[N+](=O)[O-]    mol7401    0_1
CCOc1nc(N(C)C)[nH+]cc1[N+](=O)[O-]    mol7401    1_1
CCOc1nc([NH+](C)C)ncc1[N+](=O)[O-]    mol7401    1_2
CCOc1[nH+]c(N(C)C)ncc1[N+](=O)[O-]    mol7401    1_3