pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.78	IUPAC digitized pKa	1	0	CCCC[NH2+]c1nc(C)c2c(ncn2C)n1,CCCCNc1nc(C)c2c(ncn2C)[nH+]1,CCCCNc1nc(C)c2c(n1)[nH+]cn2C,CCCCNc1nc2ncn(C)c2c(C)[nH+]1	CCCCNc1nc(C)c2c(ncn2C)n1	mol8272	CCCCNc1nc(C)c2c(ncn2C)n1