pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.62	Datawarrior	0	-1	O=C1COCC(=O)C1=O	O=C1[CH-]OCC(=O)C1=O	mol13546	O=C1COCC(=O)C1=O
7.6199999	OCHEM	0	-1	O=C1COCC(=O)C1=O	O=C1[CH-]OCC(=O)C1=O	mol13546	O=C1COCC(=O)C1=O