CNc1ccncc1N mol6377 0_1 CNc1ccncc1[NH3+] mol6377 1_1 C[NH2+]c1ccncc1N mol6377 1_2 CNc1cc[nH+]cc1N mol6377 1_3 C[NH2+]c1ccncc1[NH3+] mol6377 2_1 CNc1cc[nH+]cc1[NH3+] mol6377 2_2 C[NH2+]c1cc[nH+]cc1N mol6377 2_3