pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.96	IUPAC digitized pKa	1	0	Cc1cc2c(n[nH+]1)CCCC2,Cc1cc2c([nH+]n1)CCCC2	Cc1cc2c(nn1)CCCC2	mol4569	Cc1cc2c(nn1)CCCC2