pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.57	IUPAC digitized pKa	1	0	CC1=[NH+]c2ccccc2[C@@](O)(C(N)=O)N1	CC1=Nc2ccccc2[C@@](O)(C(N)=O)N1	mol7850	CC1=Nc2ccccc2C(O)(C(N)=O)N1