pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.44	IUPAC digitized pKa	1	0	COc1ccc2c(c1)C=[NH+]OC=N2,COc1ccc2c(c1)C=NOC=[NH+]2	COc1ccc2c(c1)C=NOC=N2	mol7963	COc1ccc2c(c1)C=NOC=N2