COC(=O)Nc1ncnc2nc[nH]c12 mol13457 0_1 COC(=O)Nc1nc[nH+]c2nc[nH]c12 mol13457 1_1 COC(=O)Nc1ncnc2[nH+]c[nH]c12 mol13457 1_2 COC(=O)Nc1[nH+]cnc2nc[nH]c12 mol13457 1_3 COC(=O)Nc1ncnc2nc[n-]c12 mol13457 -1_1 COC(=O)[N-]c1ncnc2nc[n-]c12 mol13457 -2_1