pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.9	Datawarrior	0	-1	CC(C)=CC(=O)/C=N/O	CC(C)=CC(=O)/C=N/[O-]	mol13506	CC(C)=CC(=O)/C=N/O