pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.43	IUPAC digitized pKa	1	0	Cc1cc2c(C)[nH+]ccc2s1	Cc1cc2c(C)nccc2s1	mol11122	Cc1cc2c(C)nccc2s1