pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.49	IUPAC digitized pKa	0	-1	CC#Cc1c(C)nc(O)nc1C	CC#Cc1c(C)nc([O-])nc1C	mol1617	CC#Cc1c(C)nc(O)nc1C
2.67	IUPAC digitized pKa	1	0	CC#Cc1c(C)nc(O)[nH+]c1C	CC#Cc1c(C)nc(O)nc1C	mol1617	CC#Cc1c(C)nc(O)nc1C