pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.79	IUPAC digitized pKa	0	-1	CC[NH+](CC)CP(=O)([O-])O	CC[NH+](CC)CP(=O)([O-])[O-]	mol9520	CCN(CC)CP(=O)(O)O
12.32	IUPAC digitized pKa	-1	-2	CC[NH+](CC)CP(=O)([O-])[O-]	CCN(CC)CP(=O)([O-])[O-]	mol9520	CCN(CC)CP(=O)(O)O