pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.5	IUPAC digitized pKa	1	0	CNC(NC(C)=O)=[NH+]C	CN=C(NC)NC(C)=O	mol8795	CN=C(NC)NC(C)=O