O=[N+]([O-])c1cc([N+](=O)[O-])c(-n2ccnc2)c([N+](=O)[O-])c1    mol6702    0_1
O=[N+]([O-])c1cc([N+](=O)[O-])c(-n2cc[nH+]c2)c([N+](=O)[O-])c1    mol6702    1_1