CN=c1nc(N(C)C)ccn1C    mol7393    0_1
CN=c1nc([NH+](C)C)ccn1C    mol7393    1_1
CN=c1[nH+]c(N(C)C)ccn1C    mol7393    1_2
C[NH+]=c1nc(N(C)C)ccn1C    mol7393    1_3