Synonyms: ZSB 21;1,2-Bis(4-methoxycarbonyloxymethyl-3,5-dioxopiperazin-1-yl)ethane;1,2-Ethanediylbis((2,6-dioxo-4,1-piperazinediyl)methylene)dimethyl carbonate;Carbonic acid, 1,2-ethanediylbis((2,6-dioxo-4,1-piperazinediyl)methylene)dimethyl ester;AC1MI46Z;LS-52028;[4-[2-[4-(methoxycarbonyloxymethyl)-3,5-dioxopiperazin-1-yl]ethyl]-2,6-dioxopiperazin-1-yl]methyl methyl carbonate;98632-24-7