1	F17	N-{[4-(1,1-dioxido-3-oxo-2,3-dihydroisothiazol-5-yl)phenyl]acetyl}-L-phenylalanyl-4-(1,1-dioxido-3-oxo-2,3-dihydroisothiazol-5-yl)-L-phenylalaninamide	1.000
2	IZD	Isothiazolidinone analog	0.708