CN(C)c1nc(N)ncc1Br    mol7001    0_1
CN(C)c1nc(N)[nH+]cc1Br    mol7001    1_1
CN(C)c1nc([NH3+])ncc1Br    mol7001    1_2
C[NH+](C)c1nc(N)ncc1Br    mol7001    1_3
CN(C)c1[nH+]c(N)ncc1Br    mol7001    1_4