pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.80999994277954	QSARToolbox	0	-1	CC(O)=C(C)[N+](=O)[O-]	CC([O-])=C(C)[N+](=O)[O-]	mol34818	CC(O)=C(C)[N+](=O)[O-]