pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.33	IUPAC digitized pKa	1	0	Cc1cc[nH+]c(=O)n1C	Cc1ccnc(=O)n1C	mol7332	Cc1ccnc(=O)n1C