pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.59	IUPAC digitized pKa	0	-1	CCn1c(=O)cn[nH]c1=O	CCn1c(=O)cn[n-]c1=O	mol9392	CCn1c(=O)cn[nH]c1=O