pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-0.61	IUPAC digitized pKa	1	0	CC[NH2+]c1cc(O)ccc1[N+](=O)[O-]	CCNc1cc(O)ccc1[N+](=O)[O-]	mol6036	CCNc1cc(O)ccc1[N+](=O)[O-]