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1-(1,1-Dimethylethyl) 2-methyl 1,2-piperazinedicarboxylate129799-15-142 % similar N-Boc-4,4-difluoro-L-proline methyl ester203866-17-542 % similar (S)-1-N-Boc-piperazine-2-carboxylic acid methyl ester796096-64-542 % similar 1-tert-Butyl 2-methyl 4-oxopiperidine-1,2-dicarboxylate81357-18-842 % similar (2S,4R)-tert-Butyl 2-(hydroxymethyl)-4-(methylsulfonyloxy)pyrrolidine-1-carboxylate148017-07-642 % similar Oxetan-3-yl 4-methylbenzene-1-sulfonate26272-83-341 % similar tert-Butyl tosyloxycarbamate105838-14-041 % similar N-Boc-3,4-dehydro-L-proline methyl ester74844-93-241 % similar Boc-hyp(bzl)-oh54631-81-141 % similar Imidodicarbonic acid, 2-(5-bromo-3-(((4-methylphenyl)sulfonyl)oxy)-2-pyridinyl)-, 1,3-bis(1,1-dimethylethyl) ester1803573-21-840 % similar 1-tert-Butyl 3-methyl azetidine-1,3-dicarboxylate610791-05-440 % similar 3-tert-Butyl 4-methyl (4S)-2,2-dimethyl-1,3-oxazolidine-3,4-dicarboxylate108149-60-639 % similar 1-(1,1-Dimethylethyl) 2-methyl (2S)-5-oxo-1,2-pyrrolidinedicarboxylate108963-96-839 % similar (R)-Methyl-3-(tert-butoxycarbonyl)-2,2-dimethyl-4-oxazolidinecarboxylate95715-86-939 % similar (R)-3-(P-Toluenesulfonyl) oxytetrahydrofuran219823-47-939 % similar 2-(trans-4-((tert-Butoxycarbonyl)amino)cyclohexyl)ethyl 4-methylbenzenesulfonate2093293-77-538 % similar 1,1,1,3,3,3-Hexafluoropropan-2-yl p-toluenesulfonate67674-48-038 % similar 1-tert-Butyl 3-methyl pyrrolidine-1,3-dicarboxylate122684-33-738 % similar (S)-1-Boc-pyrrolidine-3-carboxylic acid methyl ester313706-15-938 % similar 1-tert-Butyl 3-methyl (3R)-pyrrolidine-1,3-dicarboxylate441717-40-438 % similar