pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.40000009536743	QSARToolbox	0	-1	O=C1CC(=O)NC=N1	O=c1[cH-]c(=O)[nH]cn1	mol35749	O=C1CC(=O)NC=N1