pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.46	Datawarrior	0	-1	CC(O)=CC(N)=O	CC([O-])=CC(N)=O	mol15976	CC(O)=CC(N)=O
9.46000003814697	QSARToolbox	0	-1	CC(O)=CC(N)=O	CC([O-])=CC(N)=O	mol15976	CC(O)=CC(N)=O