pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-0.26	IUPAC digitized pKa	1	0	N#Cc1cccc[nH+]1	N#Cc1ccccn1	mol3657	N#Cc1ccccn1
-0.25999999	OCHEM	1	0	N#Cc1cccc[nH+]1	N#Cc1ccccn1	mol3657	N#Cc1ccccn1