pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.4	IUPAC digitized pKa	1	0	CC(=O)N(c1c(C)cccc1C)N1CC[NH2+]CC1	CC(=O)N(c1c(C)cccc1C)N1CCNCC1	mol12009	CC(=O)N(c1c(C)cccc1C)N1CCNCC1
4.2	IUPAC digitized pKa	2	1	CC(=O)N(c1c(C)cccc1C)[NH+]1CC[NH2+]CC1	CC(=O)N(c1c(C)cccc1C)N1CC[NH2+]CC1	mol12009	CC(=O)N(c1c(C)cccc1C)N1CCNCC1