pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.3	IUPAC digitized pKa	1	0	CCCc1n[nH+]c(CCC)n1N,CCCc1nnc(CCC)n1[NH3+]	CCCc1nnc(CCC)n1N	mol7664	CCCc1nnc(CCC)n1N