pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.85	IUPAC digitized pKa	1	0	CC1=N[NH+](C)CC1,CC1=[NH+]N(C)CC1	CC1=NN(C)CC1	mol6840	CC1=NN(C)CC1