pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.27	IUPAC digitized pKa	1	0	CC(C)(C)NCCC[NH2+]C(C)(C)C	CC(C)(C)NCCCNC(C)(C)C	mol5874	CC(C)(C)NCCCNC(C)(C)C
9.34	IUPAC digitized pKa	2	1	CC(C)(C)[NH2+]CCC[NH2+]C(C)(C)C	CC(C)(C)NCCC[NH2+]C(C)(C)C	mol5874	CC(C)(C)NCCCNC(C)(C)C