pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.7	Datawarrior	1	0	C=C(C)C(=O)OCC[NH3+]	C=C(C)C(=O)OCCN	mol13505	C=C(C)C(=O)OCCN
8.6999998	OCHEM	1	0	C=C(C)C(=O)OCC[NH3+]	C=C(C)C(=O)OCCN	mol13505	C=C(C)C(=O)OCCN
8.69999980926514	QSARToolbox	1	0	C=C(C)C(=O)OCC[NH3+]	C=C(C)C(=O)OCCN	mol13505	C=C(C)C(=O)OCCN