pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.14	IUPAC digitized pKa	0	-1	COCC(=O)NN	CO[CH-]C(=O)NN,COCC(=O)[N-]N	mol9068	COCC(=O)NN
12.1000003814697	QSARToolbox	0	-1	COCC(=O)NN	CO[CH-]C(=O)NN,COCC(=O)[N-]N	mol9068	COCC(=O)NN
12.1400003433228	QSARToolbox	0	-1	COCC(=O)NN	CO[CH-]C(=O)NN,COCC(=O)[N-]N	mol9068	COCC(=O)NN
2.76	IUPAC digitized pKa	1	0	COCC(=O)N[NH3+]	COCC(=O)NN	mol9068	COCC(=O)NN