Synonyms: Carbamicacid, [(1R)-2-[(2,5-dioxo-1-pyrrolidinyl)oxy]-2-oxo-1-[[(triphenylmethyl)thio]methyl]ethyl]-,1,1-dimethylethyl ester (9CI); Carbamic acid,[2-[(2,5-dioxo-1-pyrrolidinyl)oxy]-2-oxo-1-[[(triphenylmethyl)thio]methyl]ethyl]-,1,1-dimethylethyl ester, (R)-