Cc1c([N+](=O)[O-])cc([N+](=O)[O-])c(N)c1[N+](=O)[O-] mol6061 0_1 Cc1c([N+](=O)[O-])cc([N+](=O)[O-])c([NH3+])c1[N+](=O)[O-] mol6061 1_1