pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.72	OCHEM	0	-1	C=CC[C@@H](C)C(=O)O	C=CC[C@@H](C)C(=O)[O-]	mol1739	C=CC[C@@H](C)C(=O)O