Br.Cc1ccc(-c2csc(N)n2)cc1    euroSAMPL-07    0_1
Br.Cc1ccc(-c2csc(N)[nH+]2)cc1    euroSAMPL-07    1_1
Br.Cc1ccc(-c2csc([NH3+])n2)cc1    euroSAMPL-07    1_2