CCOc1nc2cncnc2n1C    mol8300    0_1
CCOc1[nH+]c2cncnc2n1C    mol8300    1_1
CCOc1nc2c[nH+]cnc2n1C    mol8300    1_2
CCOc1nc2cnc[nH+]c2n1C    mol8300    1_3