pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-1.75	IUPAC digitized pKa	1	0	N#Cc1cccc[n+]1O	N#Cc1cccc[n+]1[O-]	mol6601	N#Cc1cccc[n+]1[O-]