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3-(1-((tert-Butoxy)carbonyl)piperidin-4-yl)propanoic acid154775-43-642 % similar 4-[(1,1-Dimethylethoxy)carbonyl]-α-phenyl-1-piperazineacetic acid347186-49-642 % similar 1,2-Bis(1,1-dimethylethyl) (2S)-4-oxo-1,2-pyrrolidinedicarboxylate166410-05-542 % similar 1,1-Dimethylethyl (2S)-2-formyl-1-pyrrolidinecarboxylate69610-41-942 % similar N-(tert-Butoxycarbonyl)-D-prolinal73365-02-342 % similar (2S,4R)-Fmoc-4-amino-1-boc-pyrrolidine-2-carboxylic acid176486-63-842 % similar 1,1-Dimethylethyl (2R)-2-(((2,5-dioxo-1-pyrrolidinyl)oxy)carbonyl)-1-pyrrolidinecarboxylate102185-34-242 % similar 1-O-tert-Butyl 2-O-(2,5-dioxopyrrolidin-1-yl) (2S)-pyrrolidine-1,2-dicarboxylate3392-10-742 % similar N-Boc-N-methyl-S-trityl-L-cysteine91292-54-541 % similar tert-Butyl 4-hydroxypiperidine-1-carboxylate109384-19-241 % similar 4-Chloro-piperidine-1-carboxylic acid tert-butyl ester154874-94-941 % similar ((Bis((1,1-dimethylethoxy)carbonyl)amino)oxy)acetic acid293302-31-541 % similar tert-Butyl 2-(hydroxymethyl)piperazine-1-carboxylate205434-75-941 % similar N-Boc-diethanolamine103898-11-941 % similar (S)-1-N-Boc-2-(aminomethyl)pyrrolidine119020-01-841 % similar tert-Butyl 2-methylpiperazine-1-carboxylate120737-78-241 % similar 1,1-Dimethylethyl (2S)-2-methyl-1-piperazinecarboxylate169447-70-541 % similar (R)-1-N-Boc-2-methylpiperazine170033-47-341 % similar (+-)-2-(Aminomethyl)-1-N-Boc-pyrrolidine177911-87-441 % similar tert-Butyl 2-methyl-4-oxopiperidine-1-carboxylate190906-92-441 % similar