for the following products
(S)-1-Boc-alpha-(Fmoc-Amino)-4-piperidinepropanoic acid | (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-(1-(tert-butoxycarbonyl)piperidin-4-yl)propanoic acid | Fmoc-L-Ala(N-Boc-piperidin-4-yl)-OH and N-alpha-Fmoc-beta-(1-Boc-piperidin-4-yl)-DL-alanine
