pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.1	OCHEM	0	-1	CCCCCOc1cc(N)ccc1C(=O)O,CCCCCOc1cc([NH3+])ccc1C(=O)[O-]	CCCCCOc1cc(N)ccc1C(=O)[O-]	mol20538	CCCCCOc1cc(N)ccc1C(=O)O