pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.09	IUPAC digitized pKa	1	0	C#CC[NH+](CC#C)CC#C	C#CCN(CC#C)CC#C	mol3203	C#CCN(CC#C)CC#C
3.04	Datawarrior	1	0	C#CC[NH+](CC#C)CC#C	C#CCN(CC#C)CC#C	mol3203	C#CCN(CC#C)CC#C