[O-]c1ccc(-c2nn[nH+][nH]2)cc1 mol12766 0_1 Oc1ccc(-c2nnn[nH]2)cc1 mol12766 0_2 [O-]c1ccc(-c2[nH]nn[nH+]2)cc1 mol12766 0_3 [O-]c1ccc(-c2n[nH+]n[nH]2)cc1 mol12766 0_4 [O-]c1ccc(-c2nnn[nH]2)cc1 mol12766 -1_1 Oc1ccc(-c2nnn[n-]2)cc1 mol12766 -1_2