pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.1	IUPAC digitized pKa	0	-1	Cn1c(=O)cnc2c(=O)nc(N)[nH]c21	Cn1c(=O)cnc2c(=O)nc(N)[n-]c21	mol10145	Cn1c(=O)cnc2c(=O)nc(N)[nH]c21