NC(=O)Nc1ncnc2nc[nH]c12 mol4913 0_1 NC(=O)Nc1nc[nH+]c2nc[nH]c12 mol4913 1_1 NC(=O)Nc1ncnc2[nH+]c[nH]c12 mol4913 1_2 NC(=O)Nc1[nH+]cnc2nc[nH]c12 mol4913 1_3 NC(=O)Nc1ncnc2nc[n-]c12 mol4913 -1_1