Cc1noc([C@H]2CN(C)CCN2)n1 mol21021 0_1 Cc1noc([C@H]2C[NH+](C)CCN2)n1 mol21021 1_1 Cc1nc([C@H]2CN(C)CCN2)o[nH+]1 mol21021 1_2 Cc1noc([C@H]2CN(C)CC[NH2+]2)n1 mol21021 1_3 Cc1noc([C@H]2CN(C)CCN2)[nH+]1 mol21021 1_4