pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.13	IUPAC digitized pKa	1	0	CCc1n[nH+]c(CC)n1N,CCc1nnc(CC)n1[NH3+]	CCc1nnc(CC)n1N	mol7662	CCc1nnc(CC)n1N