pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.35	IUPAC digitized pKa	0	-1	Nc1n[nH]c(=O)[nH]c1=O	Nc1n[nH]c(=O)[n-]c1=O,Nc1n[n-]c(=O)[nH]c1=O	mol9019	Nc1n[nH]c(=O)[nH]c1=O