pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.34	IUPAC digitized pKa	1	0	CCCC[P+](CCCC)(CCCC)CC(=O)O	CCCC[P+](CCCC)(CCCC)CC(=O)[O-]	mol12011	CCCC[P+](CCCC)(CCCC)CC(=O)O
2.33999991416931	QSARToolbox	1	0	CCCC[P+](CCCC)(CCCC)CC(=O)O	CCCC[P+](CCCC)(CCCC)CC(=O)[O-]	mol12011	CCCC[P+](CCCC)(CCCC)CC(=O)O