pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.6	IUPAC digitized pKa	0	-1	N=C(N)Nc1ccc(N)cc1	[N-]=C(N)Nc1ccc(N)cc1	mol6039	N=C(N)Nc1ccc(N)cc1