Cc1cc(-c2ncc[nH]2)nn1C    mol12752    0_1
Cc1cc(-c2[nH]cc[nH+]2)nn1C    mol12752    1_1
Cc1cc(-c2ncc[nH]2)[nH+]n1C    mol12752    1_2
Cc1cc(-c2[nH]cc[nH+]2)[nH+]n1C    mol12752    2_1