(2-Acetylamino-ethylsulfanylcarbonyl)-acetic acid methyl ester InChI=1/C8H13NO4S/c1-6(10)9-3-4-14-8(12)5-7(11)13-2/h3-5H2,1-2H3,(H,9,10 N-Acetyl-S-(O-methylmalonyl)-cysteamine methyl 3-{[2-(acetylamino)ethyl]thio}-3-oxopropanoate propanoic acid, 3-[[2-(acetylamino)ethyl]thio]-3-oxo-, methyl ester