COc1ncnc2nc[nH]c12    mol4894    0_1
COc1nc[nH+]c2nc[nH]c12    mol4894    1_1
COc1ncnc2[nH+]c[nH]c12    mol4894    1_2
COc1[nH+]cnc2nc[nH]c12    mol4894    1_3
COc1ncnc2nc[n-]c12    mol4894    -1_1