pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.35	OCHEM	0	-1	C[C@H](S)C=O	C[C@H]([S-])C=O,C[C-](S)C=O	mol33098	CC(S)C=O