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1-tert-Butyl 2-methyl 4-oxopiperidine-1,2-dicarboxylate81357-18-838 % similar Ethyl cyclopropanecarboxylate4606-07-938 % similar (S)-(-)-1-tert-Butoxycarbonyl-3-aminopyrrolidine147081-44-538 % similar (R)-tert-Butyl 3-aminopyrrolidine-1-carboxylate147081-49-038 % similar tert-Butyl 3-aminopyrrolidine-1-carboxylate186550-13-038 % similar tert-Butyl N-methyl-N-(4-oxocyclohexyl)carbamate400899-84-538 % similar 1-tert-Butyl 3-methyl azetidine-1,3-dicarboxylate610791-05-438 % similar tert-Butyl 2,4-dioxopiperidine-1-carboxylate845267-78-938 % similar (1S,3R,4R)-3-(Boc-amino)-4-hydroxy-cyclohexanecarboxylic acid ethyl ester365997-33-738 % similar 1-tert-Butyl 2-methyl (2S)-4-oxopyrrolidine-1,2-dicarboxylate102195-80-238 % similar 1-tert-Butyl 3-methyl pyrrolidine-1,3-dicarboxylate122684-33-738 % similar (R)-1-tert-Butyl 2-methyl 4-oxopyrrolidine-1,2-dicarboxylate256487-77-138 % 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 tert-Butyl 3,8-diazabicyclo[3.2.1]octane-8-carboxylate149771-44-838 % similar 1-[(tert-Butoxy)carbonyl]azetidine-2-carboxylic acid159749-28-737 % similar Boc-D-azetidine-2-carboxylic acid228857-58-737 % similar 1-Boc-L-azetidine-2-carboxylic acid51077-14-637 % similar 3-tert-Butyl 4-methyl (4S)-2,2-dimethyl-1,3-oxazolidine-3,4-dicarboxylate108149-60-637 % similar Methyl N-boc-piperidine-3-carboxylate148763-41-137 % similar