pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.62	Datawarrior	0	-1	C[C@H]1C[C@H](C)C(=O)CC1=O	C[C@H]1C[C@H](C)C(=O)[CH-]C1=O	mol12906	CC1CC(C)C(=O)CC1=O
5.6199999	OCHEM	0	-1	C[C@H]1C[C@H](C)C(=O)CC1=O	C[C@H]1C[C@H](C)C(=O)[CH-]C1=O	mol12906	CC1CC(C)C(=O)CC1=O