pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.01	OCHEM	0	-1	C=CCOc1cc(N)ccc1C(=O)O,C=CCOc1cc([NH3+])ccc1C(=O)[O-]	C=CCOc1cc(N)ccc1C(=O)[O-]	mol20543	C=CCOc1cc(N)ccc1C(=O)O