NCCc1nnn[nH]1 mol12428 0_1 [NH3+]CCc1nnn[nH]1 mol12428 1_1 NCCc1nn[nH+][nH]1 mol12428 1_2 NCCc1[nH]nn[nH+]1 mol12428 1_3 NCCc1n[nH+]n[nH]1 mol12428 1_4 NCCc1nnn[n-]1 mol12428 -1_1