pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.42	Datawarrior	0	-1	C=C(C)[C@](C)(C(N)=O)C(=O)O	C=C(C)[C@](C)(C(N)=O)C(=O)[O-]	mol14079	C=C(C)C(C)(C(N)=O)C(=O)O
3.4200001	OCHEM	0	-1	C=C(C)[C@](C)(C(N)=O)C(=O)O	C=C(C)[C@](C)(C(N)=O)C(=O)[O-]	mol14079	C=C(C)C(C)(C(N)=O)C(=O)O
3.42000007629395	QSARToolbox	0	-1	C=C(C)[C@](C)(C(N)=O)C(=O)O	C=C(C)[C@](C)(C(N)=O)C(=O)[O-]	mol14079	C=C(C)C(C)(C(N)=O)C(=O)O