pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.69	IUPAC digitized pKa	1	0	CN=c1[nH+]cccn1C,C[NH+]=c1ncccn1C	CN=c1ncccn1C	mol7365	CN=c1ncccn1C