pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.75	OCHEM	0	-1	O=C(O)c1cc(=O)c2cc3c(cc2o1)CCCC3	O=C([O-])c1cc(=O)c2cc3c(cc2o1)CCCC3	mol31888	O=C(O)c1cc(=O)c2cc3c(cc2o1)CCCC3