CCn1cnc(N)c2ncnc1-2    mol8246    0_1
CCn1cnc(N)c2nc[nH+]c1-2    mol8246    1_1
CCn1cnc([NH3+])c2ncnc1-2    mol8246    1_2
CCn1cnc(N)c2[nH+]cnc1-2    mol8246    1_3
CCn1c[nH+]c(N)c2ncnc1-2    mol8246    1_4