pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.0	Datawarrior	0	-1	CC1=CC(=O)CC(=O)O1	Cc1cc(=O)[cH-]c(=O)o1,[CH2-]C1=CC(=O)CC(=O)O1	mol13566	CC1=CC(=O)CC(=O)O1