pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.3099999	OCHEM	0	-1	O=C(O)C=Cc1ccoc1	O=C([O-])C=Cc1ccoc1	mol32435	O=C(O)C=Cc1ccoc1