pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.2	IUPAC digitized pKa	1	0	C[n+]1ccc(C=Cc2ccc3cccc(O)c3n2)cc1	C[n+]1ccc(C=Cc2ccc3cccc([O-])c3n2)cc1	mol12187	C[n+]1ccc(C=Cc2ccc3cccc(O)c3n2)cc1
2.7	IUPAC digitized pKa	2	1	C[n+]1ccc(C=Cc2ccc3cccc(O)c3[nH+]2)cc1	C[n+]1ccc(C=Cc2ccc3cccc(O)c3n2)cc1	mol12187	C[n+]1ccc(C=Cc2ccc3cccc(O)c3n2)cc1