Cc1ncc(C#N)c(N(C)C)n1    mol7240    0_1
Cc1ncc(C#N)c([NH+](C)C)n1    mol7240    1_1
Cc1ncc(C#N)c(N(C)C)[nH+]1    mol7240    1_2
Cc1nc(N(C)C)c(C#N)c[nH+]1    mol7240    1_3