pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.07	IUPAC digitized pKa	0	-1	CCCCc1c(O)ncnc1Cl	CCCCc1c([O-])ncnc1Cl	mol7195	CCCCc1c(O)ncnc1Cl