pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
10.47	IUPAC digitized pKa	1	0	CC(C)=C1CCC[NH2+]C1	CC(C)=C1CCCNC1	mol1577	CC(C)=C1CCCNC1