(2,5-Dioxo-1-phenyl-pyrrolidin-3-ylsulfanyl)-

[(2,5-DIOXO-1-PHENYLPYRROLIDIN-3-YL)THIO]ACETIC ACID

(2,5-DIOXO-1-PHENYL-PYRROLIDIN-3-YLSULFANYL)-ACETIC ACID