pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
15.24	IUPAC digitized pKa	0	-1	N#Cc1ccc2[nH]ccc2c1	N#Cc1ccc2[n-]ccc2c1	mol10835	N#Cc1ccc2[nH]ccc2c1
15.289999961853	QSARToolbox	0	-1	N#Cc1ccc2[nH]ccc2c1	N#Cc1ccc2[n-]ccc2c1	mol10835	N#Cc1ccc2[nH]ccc2c1