COc1ncncc1-c1ccc([N+](=O)[O-])cc1 mol33701 0_1 COc1nc[nH+]cc1-c1ccc([N+](=O)[O-])cc1 mol33701 1_1 COc1[nH+]cncc1-c1ccc([N+](=O)[O-])cc1 mol33701 1_2