pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
13.9	IUPAC digitized pKa	1	0	Cc1ccn(C)c(=[NH2+])c1	Cc1ccn(C)c(=N)c1	mol6446	Cc1ccn(C)c(=N)c1