pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.65	Datawarrior	0	-1	CCCC[As](=O)(O)CCCC	CCCC[As](=O)([O-])CCCC	mol14047	CCCC[As](=O)(O)CCCC
6.65000009536743	QSARToolbox	0	-1	CCCC[As](=O)(O)CCCC	CCCC[As](=O)([O-])CCCC	mol14047	CCCC[As](=O)(O)CCCC