Cc1ncc(Br)c(N)n1    mol7005    0_1
Cc1ncc(Br)c([NH3+])n1    mol7005    1_1
Cc1nc(N)c(Br)c[nH+]1    mol7005    1_2
Cc1ncc(Br)c(N)[nH+]1    mol7005    1_3