pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.5	IUPAC digitized pKa	1	0	CCOC(=O)C(C(=O)OCC)c1[nH+]ccc2ccccc12	CCOC(=O)C(C(=O)OCC)c1nccc2ccccc12	mol12089	CCOC(=O)C(C(=O)OCC)c1nccc2ccccc12