c1c[nH]c(Cc2ncc[nH]2)n1 mol13983 0_1 c1c[nH]c(Cc2[nH]cc[nH+]2)n1 mol13983 1_1 c1c[nH+]c(Cc2[nH]cc[nH+]2)[nH]1 mol13983 2_1 c1c[n-]c(Cc2ncc[nH]2)n1 mol13983 -1_1