pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-1.24	IUPAC digitized pKa	1	0	Cc1o[nH+]c2ccccc12	Cc1onc2ccccc12	mol7780	Cc1onc2ccccc12