pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.15	IUPAC digitized pKa	1	0	Cn1c[nH+]c(=O)c2ccccc21	Cn1cnc(=O)c2ccccc21	mol4624	Cn1cnc(=O)c2ccccc21