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(R)-tert-Butyl 1-methyl-2-oxoimidazolidine-4-carboxylate143996-78-5100 % similar tert-Butyl (2R)-5-oxopyrrolidine-2-carboxylate205524-46-549 % similar L-Proline 1,1-dimethylethyl ester2812-46-646 % similar Boc-asp-otbu34582-32-643 % similar (R)-4-(tert-Butoxy)-3-((tert-butoxycarbonyl)amino)-4-oxobutanoic acid77004-75-243 % similar 3-(N-Boc-methylaminomethyl)azetidine1053655-53-043 % similar D-Proline tert-butyl ester hydrochloride184719-80-043 % similar (S)-Proline tert-butyl ester hydrochloride5497-76-743 % similar (R)-tert-Butyl (2-oxooxetan-3-yl)carbamate126330-77-643 % similar N-(tert-Butoxycarbonyl)-L-serine beta-lactone98541-64-143 % similar Boc-D-glu-otbu73872-71-642 % similar tert-Butyl Piperidine-4-carboxylate138007-24-641 % similar N-Boc-(methylamino)acetaldehyde123387-72-440 % similar tert-Butyl (3S)-1,2,3,4-tetrahydroisoquinoline-3-carboxylate77497-74-640 % similar (2-Hydroxyethyl)methylcarbamic acid 1,1-dimethylethyl ester57561-39-440 % similar Piperidine-4-carboxylic acid tert-butyl ester hydrochloride892493-65-139 % similar tert-Butyl 3-methylpiperazine-1-carboxylate120737-59-938 % similar (S)-4-N-Boc-2-methylpiperazine147081-29-638 % similar (R)-4-Boc-2-methylpiperazine163765-44-438 % similar Boc-3-iodo-D-alanine methyl ester170848-34-738 % similar