pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.25	IUPAC digitized pKa	0	-1	O=P(O)(O)CCCBr	O=P([O-])(O)CCCBr	mol9110	O=P(O)(O)CCCBr
7.3	IUPAC digitized pKa	-1	-2	O=P([O-])(O)CCCBr	O=P([O-])([O-])CCCBr	mol9110	O=P(O)(O)CCCBr