c1ccc(-c2ncc[nH]2)nc1    mol6701    0_1
c1ccc(-c2ncc[nH]2)[nH+]c1    mol6701    1_1
c1ccc(-c2[nH]cc[nH+]2)nc1    mol6701    1_2
c1ccc(-c2[nH]cc[nH+]2)[nH+]c1    mol6701    2_1