pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.31	IUPAC digitized pKa	1	0	CC1=[NH+]c2ccccc2[C@@H](O)N1	CC1=Nc2ccccc2[C@@H](O)N1	mol7878	CC1=Nc2ccccc2C(O)N1