pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.44	IUPAC digitized pKa	1	0	Cn1c(N)c([NH3+])c(=O)n(C)c1=O,Cn1c([NH3+])c(N)c(=O)n(C)c1=O	Cn1c(N)c(N)c(=O)n(C)c1=O	mol7321	Cn1c(N)c(N)c(=O)n(C)c1=O