CNc1nc(N(C)C)ncc1Br    mol7157    0_1
CNc1nc([NH+](C)C)ncc1Br    mol7157    1_1
CNc1[nH+]c(N(C)C)ncc1Br    mol7157    1_2
CNc1nc(N(C)C)[nH+]cc1Br    mol7157    1_3
C[NH2+]c1nc(N(C)C)ncc1Br    mol7157    1_4