pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.42	AttenGpKa training set	0	-1	CCOC(=O)/C=C/C(=O)O	CCOC(=O)/C=C/C(=O)[O-]	mol9564	CCOC(=O)/C=C/C(=O)O