pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.28	Datawarrior	0	-1	O=C(O)c1cccc(C2CC2)c1	O=C([O-])c1cccc(C2CC2)c1	mol12721	O=C(O)c1cccc(C2CC2)c1
4.2800002	OCHEM	0	-1	O=C(O)c1cccc(C2CC2)c1	O=C([O-])c1cccc(C2CC2)c1	mol12721	O=C(O)c1cccc(C2CC2)c1
4.28000020980835	QSARToolbox	0	-1	O=C(O)c1cccc(C2CC2)c1	O=C([O-])c1cccc(C2CC2)c1	mol12721	O=C(O)c1cccc(C2CC2)c1