Cc1n[nH]c2ncnc(N)c12    mol4927    0_1
Cc1n[nH]c2ncnc([NH3+])c12    mol4927    1_1
Cc1n[nH]c2[nH+]cnc(N)c12    mol4927    1_2
Cc1n[nH]c2nc[nH+]c(N)c12    mol4927    1_3
Cc1[nH+][nH]c2ncnc(N)c12    mol4927    1_4
Cc1n[n-]c2ncnc(N)c12    mol4927    -1_1