pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.52	IUPAC digitized pKa	1	0	Cc1nnc([NH3+])n(C)c1=O,Cc1n[nH+]c(N)n(C)c1=O,Cc1[nH+]nc(N)n(C)c1=O	Cc1nnc(N)n(C)c1=O	mol9405	Cc1nnc(N)n(C)c1=O