pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.8	IUPAC digitized pKa	1	0	Cc1cc(O)nc(N[NH3+])n1,Cc1cc(O)nc([NH2+]N)n1,Cc1cc(O)nc(NN)[nH+]1,Cc1cc(O)[nH+]c(NN)n1	Cc1cc(O)nc(NN)n1	mol4196	Cc1cc(O)nc(NN)n1