(Acetylthio)succinic anhydride 103526-91-6 6953-60-2 EINECS 230-135-2 Ethanethioic acid, S-(dihydro-2,5-dioxo-3-furanyl) ester (9CI) Ethanethioic acid, S-(dihydro-2,5-dioxo-3-furanyl)ester Ethanethioic acid, S-(tetrahydro-2,5-dioxo-3-furanyl) ester NSC 57456 S-Acetylmercaptosuccinic acid anhydride S-Acetylmercaptosuccinic anhydride Succinic anhydride, mercapto-, acetate