pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
10.74	IUPAC digitized pKa	0	-1	C=CCc1c(C)nc(O)nc1C	C=CCc1c(C)nc([O-])nc1C	mol2191	C=CCc1c(C)nc(O)nc1C
3.91	IUPAC digitized pKa	1	0	C=CCc1c(C)nc(O)[nH+]c1C	C=CCc1c(C)nc(O)nc1C	mol2191	C=CCc1c(C)nc(O)nc1C