pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.96	OCHEM	0	-1	CCCOc1cc([NH3+])ccc1C(=O)[O-],CCCOc1cc(N)ccc1C(=O)O	CCCOc1cc(N)ccc1C(=O)[O-]	mol20536	CCCOc1cc(N)ccc1C(=O)O