pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.7	AttenGpKa training set	0	-1	CCC1C(=O)CCC1=O	CC[C-]1C(=O)CCC1=O,CCC1C(=O)[CH-]CC1=O	mol26789	CCC1C(=O)CCC1=O