CNc1cncnc1NC    mol4107    0_1
CNc1c[nH+]cnc1NC    mol4107    1_1
CNc1ncncc1[NH2+]C    mol4107    1_2
CNc1cnc[nH+]c1NC    mol4107    1_3
CNc1cncnc1[NH2+]C    mol4107    1_4