Cc1nnc(N)nc1C    mol7601    0_1
Cc1nnc([NH3+])nc1C    mol7601    1_1
Cc1nnc(N)[nH+]c1C    mol7601    1_2
Cc1nc(N)n[nH+]c1C    mol7601    1_3
Cc1n[nH+]c(N)nc1C    mol7601    1_4