pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.2	IUPAC digitized pKa	1	0	Cn1cnc2c(Cl)nc[nH+]c21,Cn1c[nH+]c2c(Cl)ncnc21,Cn1cnc2c(Cl)[nH+]cnc21	Cn1cnc2c(Cl)ncnc21	mol8279	Cn1cnc2c(Cl)ncnc21