pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.57	IUPAC digitized pKa	1	0	C[NH2+]c1nc(=O)n(C)cc1C,CNc1[nH+]c(=O)n(C)cc1C	CNc1nc(=O)n(C)cc1C	mol10232	CNc1nc(=O)n(C)cc1C