pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.47	IUPAC digitized pKa	1	0	Cc1[nH+][nH]c(-c2ccccc2)c1C	Cc1n[nH]c(-c2ccccc2)c1C	mol6889	Cc1n[nH]c(-c2ccccc2)c1C