pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.91	IUPAC digitized pKa	1	0	CCOC(=O)CNC(=O)CNC(=O)C[NH3+]	CCOC(=O)CNC(=O)CNC(=O)CN	mol5390	CCOC(=O)CNC(=O)CNC(=O)CN