pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.12	IUPAC digitized pKa	1	0	C[NH+]=c1ncccn1Cc1ccccc1,CN=c1[nH+]cccn1Cc1ccccc1	CN=c1ncccn1Cc1ccccc1	mol7133	CN=c1ncccn1Cc1ccccc1