pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.31	IUPAC digitized pKa	1	0	C=CCc1c(C)nc([NH2+]C)nc1C,C=CCc1c(C)nc(NC)[nH+]c1C	C=CCc1c(C)nc(NC)nc1C	mol2522	C=CCc1c(C)nc(NC)nc1C