pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.5	IUPAC digitized pKa	1	0	Cc1cc(=O)n(C)c([NH2+]N)n1,Cc1cc(=O)n(C)c(N[NH3+])n1,Cc1cc(=O)n(C)c(NN)[nH+]1	Cc1cc(=O)n(C)c(NN)n1	mol4195	Cc1cc(=O)n(C)c(NN)n1