pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.95	Datawarrior	0	-1	CC(C)=C(C(N)=O)C(=O)O	CC(C)=C(C(N)=O)C(=O)[O-]	mol13138	CC(C)=C(C(N)=O)C(=O)O
3.95000004768372	QSARToolbox	0	-1	CC(C)=C(C(N)=O)C(=O)O	CC(C)=C(C(N)=O)C(=O)[O-]	mol13138	CC(C)=C(C(N)=O)C(=O)O