pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.2	IUPAC digitized pKa	1	0	ClCC[NH+](CCCl)Cc1ccc2c(c1)CCCC2	ClCCN(CCCl)Cc1ccc2c(c1)CCCC2	mol6297	ClCCN(CCCl)Cc1ccc2c(c1)CCCC2