C(#Cc1nc2ccccc2[nH]1)c1ccccc1    mol4538    0_1
C(#Cc1[nH]c2ccccc2[nH+]1)c1ccccc1    mol4538    1_1
C(#Cc1nc2ccccc2[n-]1)c1ccccc1    mol4538    -1_1