C/C(=N\O)c1c([O-])cccc1[N+](=O)[O-] mol31611 -1_1 C/C(=N\[O-])c1c(O)cccc1[N+](=O)[O-] mol31611 -1_2 C/C(=N\[O-])c1c([O-])cccc1[N+](=O)[O-] mol31611 -2_1