pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.2	IUPAC digitized pKa	1	0	COc1cc(C)[nH+]c(NN)n1,COc1cc(C)nc([NH2+]N)n1,COc1cc(C)nc(NN)[nH+]1	COc1cc(C)nc(NN)n1	mol4197	COc1cc(C)nc(NN)n1
6.1999998	OCHEM	1	0	COc1cc(C)[nH+]c(NN)n1,COc1cc(C)nc([NH2+]N)n1,COc1cc(C)nc(NN)[nH+]1	COc1cc(C)nc(NN)n1	mol4197	COc1cc(C)nc(NN)n1