CNc1nccnc1N mol25698 0_1 CNc1ncc[nH+]c1N mol25698 1_1 CNc1nccnc1[NH3+] mol25698 1_2 C[NH2+]c1nccnc1N mol25698 1_3 CNc1[nH+]ccnc1N mol25698 1_4 CNc1ncc[nH+]c1[NH3+] mol25698 2_1 C[NH2+]c1[nH+]ccnc1N mol25698 2_2 CNc1[nH+]cc[nH+]c1N mol25698 2_3 C[NH2+]c1ncc[nH+]c1N mol25698 2_4 CNc1[nH+]ccnc1[NH3+] mol25698 2_5 C[NH2+]c1nccnc1[NH3+] mol25698 2_6