NC(=[NH2+])NC(=[NH2+])Nc1ccc(O)c2ncccc12 mol38450 2_1 NC(=[NH2+])NC(=[NH2+])Nc1ccc([O-])c2[nH+]cccc12 mol38450 2_2 N=C(N)NC(=[NH2+])Nc1ccc(O)c2[nH+]cccc12 mol38450 2_3 N=C(NC(N)=[NH2+])Nc1ccc(O)c2[nH+]cccc12 mol38450 2_4 NC(=[NH2+])NC(=[NH2+])Nc1ccc(O)c2[nH+]cccc12 mol38450 3_1