pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.2	Baltruschat ChEMBL	0	-1	C#C[C@@H]([NH3+])CCC(=O)[O-]	C#C[C@@H](N)CCC(=O)[O-]	mol20127	C#CC(N)CCC(=O)O