pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.6	IUPAC digitized pKa	0	-1	CCCS[P@@](=O)(O)c1ccccc1	""	mol11145	CCCSP(=O)(O)c1ccccc1
1.62000000476837	QSARToolbox	0	-1	CCCS[P@@](=O)(O)c1ccccc1	""	mol11145	CCCSP(=O)(O)c1ccccc1