pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.41	IUPAC digitized pKa	0	-1	N#Cc1ccccc(=O)c1O	N#Cc1ccccc(=O)c1[O-]	mol10483	N#Cc1ccccc(=O)c1O