pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.4	Datawarrior	0	-1	O=C(O)/C=C/c1cccc(O)c1	O=C([O-])/C=C/c1cccc(O)c1	mol1275	O=C(O)/C=C/c1cccc(O)c1
4.396	OCHEM	0	-1	O=C(O)/C=C/c1cccc(O)c1	O=C([O-])/C=C/c1cccc(O)c1	mol1275	O=C(O)/C=C/c1cccc(O)c1
4.40000009536743	QSARToolbox	0	-1	O=C(O)/C=C/c1cccc(O)c1	O=C([O-])/C=C/c1cccc(O)c1	mol1275	O=C(O)/C=C/c1cccc(O)c1