pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.92	IUPAC digitized pKa	1	0	CCN(CC)CC[NH2+]C,CC[NH+](CC)CCNC	CCN(CC)CCNC	mol5841	CCN(CC)CCNC
6.48	IUPAC digitized pKa	2	1	CC[NH+](CC)CC[NH2+]C	CCN(CC)CC[NH2+]C,CC[NH+](CC)CCNC	mol5841	CCN(CC)CCNC