pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.3699998855591	QSARToolbox	0	-1	NNC(=O)C(=O)NN	N[N-]C(=O)C(=O)NN	mol34092	NNC(=O)C(=O)NN
2.95000004768372	QSARToolbox	1	0	NNC(=O)C(=O)N[NH3+],NNC(=O)C(=[OH+])NN	NNC(=O)C(=O)NN	mol34092	NNC(=O)C(=O)NN
1.62000000476837	QSARToolbox	2	1	[NH3+]NC(=O)C(=O)N[NH3+]	NNC(=O)C(=O)N[NH3+],NNC(=O)C(=[OH+])NN	mol34092	NNC(=O)C(=O)NN