pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.66	AttenGpKa training set	1	0	CCC(=O)O[NH2+]CC(=O)O	CCC(=O)O[NH2+]CC(=O)[O-]	mol29423	CCC(=O)ONCC(=O)O