pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.4	IUPAC digitized pKa	1	0	Cn1n[nH+]c2ncnc(N)c21,Cn1[nH+]nc2ncnc(N)c21,Cn1nnc2[nH+]cnc(N)c21,Cn1nnc2ncnc([NH3+])c21,Cn1nnc2nc[nH+]c(N)c21	Cn1nnc2ncnc(N)c21	mol8343	Cn1nnc2ncnc(N)c21