[O-]c1ncnc2c1[NH2+]CCN2 mol4839 0_1 Oc1ncnc2c1NCCN2 mol4839 0_2 [O-]c1ncnc2c1NCC[NH2+]2 mol4839 0_3 [O-]c1nc[nH+]c2c1NCCN2 mol4839 0_4 [O-]c1ncnc2c1[NH2+]CC[NH2+]2 mol4839 1_1 Oc1nc[nH+]c2c1NCCN2 mol4839 1_2 [O-]c1nc[nH+]c2c1[NH2+]CCN2 mol4839 1_3 Oc1ncnc2c1NCC[NH2+]2 mol4839 1_4 [O-]c1nc[nH+]c2c1NCC[NH2+]2 mol4839 1_5 Oc1ncnc2c1[NH2+]CCN2 mol4839 1_6 Oc1[nH+]cnc2c1NCCN2 mol4839 1_7 [O-]c1ncnc2c1NCCN2 mol4839 -1_1