pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.93	IUPAC digitized pKa	1	0	Nc1nc(-c2ccccc2)[nH][nH+]1,[NH3+]c1n[nH]c(-c2ccccc2)n1,Nc1n[nH]c(-c2ccccc2)[nH+]1	Nc1n[nH]c(-c2ccccc2)n1	mol7668	Nc1n[nH]c(-c2ccccc2)n1