pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.50999999046326	QSARToolbox	0	-1	CC(=O)N[C@@H](C)C(=O)NCC(=O)O	CC(=O)N[C@@H](C)C(=O)NCC(=O)[O-]	mol34804	CC(=O)NC(C)C(=O)NCC(=O)O