4,7-Diaza-spiro[2.5]octane-4,7-dicarboxylic acid 4-benzyl ester 7-tert-butyl ester

(s)-2-((((9h-fluoren-9-yl)methoxy)carbonyl)amino)-7-(tert-butoxy)-7-oxoheptanoic acid ; (s)-fmoc-2-amino-pimelic acid-7-tert-butyl ester ; (s)-fmoc-2-amino-heptanedioic acid-7-tert-butyl ester ; (s)-fluorenyl methoxycarbonyl-2-diaminopimelic acid-7-tert-butyl ester ; (s)-2-fmoc-amino-heptanedioic acid 7-tert-butyl ester ; heptanedioicacid, 2-[[(9h-fluoren-9-ylmethoxy)carbonyl]amino]-, 7-(1,1-dimethylethyl)ester, (s)- ; heptanedioic acid,2-[[(9h-fluoren-9-ylmethoxy)carbonyl]amino]-, 7-(1,1-dimethylethyl) ester,(2s)- ; 4,7-diaza-spiro[2.5]octane-4,7-dicarboxylic acid 4-benzyl ester 7-tert-butyl ester