O=[N+]([O-])c1n[nH]c(Cc2nc([N+](=O)[O-])n[nH]2)n1 mol25568 0_1 O=[N+]([O-])c1n[n-]c(Cc2nc([N+](=O)[O-])n[nH]2)n1 mol25568 -1_1 O=[N+]([O-])c1n[nH]c([CH-]c2nc([N+](=O)[O-])n[nH]2)n1 mol25568 -1_2 O=[N+]([O-])c1n[n-]c([CH-]c2nc([N+](=O)[O-])n[nH]2)n1 mol25568 -2_1 O=[N+]([O-])c1n[n-]c(Cc2nc([N+](=O)[O-])n[n-]2)n1 mol25568 -2_2