pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.01	IUPAC digitized pKa	1	0	CCNc1nc(C)nc2[nH+]c[nH]c12,CCNc1[nH+]c(C)nc2nc[nH]c12,CCNc1nc(C)[nH+]c2nc[nH]c12,CC[NH2+]c1nc(C)nc2nc[nH]c12	CCNc1nc(C)nc2nc[nH]c12	mol4879	CCNc1nc(C)nc2nc[nH]c12