pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.23	IUPAC digitized pKa	1	0	COc1ccc2nc([NH3+])[n+]([O-])cc2c1,COc1ccc2[nH+]c(N)[n+]([O-])cc2c1,COc1ccc2nc(N)[n+](O)cc2c1	COc1ccc2nc(N)[n+]([O-])cc2c1	mol7930	COc1ccc2nc(N)[n+]([O-])cc2c1