4-Piperidinepropanoic acid, 1-[(1,1-dimethylethoxy)carbonyl]-a-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-, (aS)-

fmoc-s-pipala(boc)-oh ; 4-[2-carboxy-2-(9h-fluoren-9-ylmethoxycarbonylamino)ethyl]piperidine-1-carboxyli ; (s)-n-alpha-(9-fluorenylmethyloxycarbonyl)-n'-t-butyloxycarbonyl-4-piperidylalanine ; fmoc-d, l-ala-4pip(boc) ; (s)-a-fmoc-d-boc-4-piperidylalanine ; 2-n-fmoc-amino-3-(4-n-boc-piperidinyl) propionic acid ; 2-n-fmoc-amino-3-(n-boc-4-piperidinyl)propionic acid ; 2-n-(9-fluorenylmethoxycarbonyl)-amino-3-(4-n-(tert-butoxycarbonyl)-piperidinyl)propionic acid ; fmoc-l-ala-4pip(boc) ; n-alpha-fmoc-beta-(1-boc-piperidin-4-yl)-d,l-alanine