pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-5.4	AttenGpKa training set	2	1	C[NH2+][NH+](C)c1ccccc1	C[NH2+]N(C)c1ccccc1,CN[NH+](C)c1ccccc1	mol24737	CNN(C)c1ccccc1