CNc1nc(C)c(C)nc1C(=N)N    mol3972    0_1
CNc1nc(C)c(C)[nH+]c1C(=N)N    mol3972    1_1
CNc1nc(C)c(C)nc1C(N)=[NH2+]    mol3972    1_2
CNc1[nH+]c(C)c(C)nc1C(=N)N    mol3972    1_3
C[NH2+]c1nc(C)c(C)nc1C(=N)N    mol3972    1_4