CNc1nc(N)ncc1Br    mol7007    0_1
CNc1nc(N)[nH+]cc1Br    mol7007    1_1
CNc1[nH+]c(N)ncc1Br    mol7007    1_2
C[NH2+]c1nc(N)ncc1Br    mol7007    1_3
CNc1nc([NH3+])ncc1Br    mol7007    1_4