O=c1nc(Cc2ccccc2)[nH]c(O)c1[N+](=O)[O-]    mol11556    0_1
O=c1[nH+]c(Cc2ccccc2)[nH]c([O-])c1[N+](=O)[O-]    mol11556    0_2
O=c1nc(Cc2ccccc2)[nH]c([O-])c1[N+](=O)[O-]    mol11556    -1_1
O=c1nc(Cc2ccccc2)[n-]c(O)c1[N+](=O)[O-]    mol11556    -1_2