(2008/06/13)
1,2-bis(4-acetoxymethyl-3,5-dioxopiperazin-1-yl)ethane
1,2-bis(4-methoxycarbonyloxymethyl-3,5-dioxopiperazin-1-yl)ethane
sobuzoxane
1,2-bis(4-benzoyloxymethyl-3,5-dioxopiperazin-1-yl)ethane
Phenyl-acetic acid 4-[2-(3,5-dioxo-4-phenylacetoxymethyl-piperazin-1-yl)-ethyl]-2,6-dioxo-piperazin-1-ylmethyl ester