pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.15	IUPAC digitized pKa	0	-1	N#CCC[NH2+]CCCCCC(=O)[O-]	N#CCCNCCCCCC(=O)[O-]	mol8483	N#CCCNCCCCCC(=O)O