pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.73	IUPAC digitized pKa	1	0	CCN(CC)CC[NH2+]CCN(CC)CC,CCN(CC)CCNCC[NH+](CC)CC	CCN(CC)CCNCCN(CC)CC	mol5858	CCN(CC)CCNCCN(CC)CC
8.56	IUPAC digitized pKa	2	1	CC[NH+](CC)CCNCC[NH+](CC)CC	CCN(CC)CC[NH2+]CCN(CC)CC,CCN(CC)CCNCC[NH+](CC)CC	mol5858	CCN(CC)CCNCCN(CC)CC
3.59	IUPAC digitized pKa	3	2	CC[NH+](CC)CC[NH2+]CC[NH+](CC)CC	CC[NH+](CC)CCNCC[NH+](CC)CC	mol5858	CCN(CC)CCNCCN(CC)CC