CC1C/C(=N\[O-])C(=N[O-])/C(=N/[O-])C1 mol31599 -3_1 CC1C/C(=N\[O-])C(=N[O-])/C(=N/O)C1 mol31599 -2_1 CC1C/C(=N\[O-])C(=NO)/C(=N/[O-])C1 mol31599 -2_2