pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.42	IUPAC digitized pKa	1	0	CCn1c(C)cc[nH+]c1=O	CCn1c(C)ccnc1=O	mol7443	CCn1c(C)ccnc1=O