pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.17	IUPAC digitized pKa	0	-1	COc1nc(=O)c2c(nnn2C)[nH]1	COc1nc(=O)c2c(nnn2C)[n-]1	mol9728	COc1nc(=O)c2c(nnn2C)[nH]1