pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.85	IUPAC digitized pKa	1	0	C#CC[NH2+]c1ncccn1,C#CCNc1nccc[nH+]1	C#CCNc1ncccn1	mol7514	C#CCNc1ncccn1