pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.48	Datawarrior	0	-1	Cn1c(=O)c2c(ncn2CC(=O)O)n(C)c1=O	Cn1c(=O)c2c(ncn2CC(=O)[O-])n(C)c1=O	mol15144	Cn1c(=O)c2c(ncn2CC(=O)O)n(C)c1=O