CNc1nccnc1-c1nc(C)cc(C)n1    mol3988    0_1
CNc1nccnc1-c1nc(C)cc(C)[nH+]1    mol3988    1_1
CNc1ncc[nH+]c1-c1nc(C)cc(C)n1    mol3988    1_2
CNc1[nH+]ccnc1-c1nc(C)cc(C)n1    mol3988    1_3
C[NH2+]c1nccnc1-c1nc(C)cc(C)n1    mol3988    1_4