Clc1ccc(-c2nnn[nH]2)cc1 mol25923 0_1 Clc1ccc(-c2[nH]nn[nH+]2)cc1 mol25923 1_1 Clc1ccc(-c2nn[nH+][nH]2)cc1 mol25923 1_2 Clc1ccc(-c2n[nH+]n[nH]2)cc1 mol25923 1_3