pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.42000007629395	QSARToolbox	1	0	CCCC[NH2+]CP(=O)(OCCC)OCCC	CCCCNCP(=O)(OCCC)OCCC	mol35402	CCCCNCP(=O)(OCCC)OCCC