pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.15	IUPAC digitized pKa	1	0	CCNc1nc([NH2+]CC)nc(OC)n1,CCNc1nc(OC)nc(NCC)[nH+]1,CCNc1nc(NCC)[nH+]c(OC)n1	CCNc1nc(NCC)nc(OC)n1	mol7613	CCNc1nc(NCC)nc(OC)n1