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1,1-Dimethylethyl 5-oxo-2-azabicyclo[2.2.1]heptane-2-carboxylate198835-06-242 % similar Di-tert-butyl (2S)-5-oxopyrrolidine-1,2-dicarboxylate91229-91-342 % similar 1-Boc-2-phenyl-piperidin-4-one849928-30-942 % similar tert-Butyl 2-oxo-7-azaspiro[3.5]nonane-7-carboxylate203661-69-241 % similar 1-Boc-3-piperidone98977-36-741 % similar 1-(1,1-Dimethylethyl) 2-borono-1-pyrrolidinecarboxylate149682-75-741 % similar Boc-L-proline15761-39-441 % similar H-Asp(OtBu)-OMe.HCl2673-19-041 % similar (2R)-1-[(tert-Butoxy)carbonyl]pyrrolidine-2-carboxylic acid37784-17-141 % similar (R)-tert-Butyl 2-(methoxymethyl)pyrrolidine-1-carboxylate578741-10-341 % similar 1-[(tert-Butoxy)carbonyl]pyrrolidine-2-carboxylic acid59433-50-041 % similar D-1-N-Boc-prolinamide70138-72-641 % similar N-(tert-Butoxycarbonyl)-2,5-dihydro-1H-pyrrole73286-70-140 % similar tert-Butyl (2S)-2-(hydroxymethyl)azetidine-1-carboxylate161511-85-940 % similar tert-Butyl 2-(hydroxymethyl)azetidine-1-carboxylate174346-82-840 % similar tert-Butyl N-methyl-N-(4-oxocyclohexyl)carbamate400899-84-540 % similar 1-(1,1-Dimethylethyl) (2S)-4,4-dimethyl-1,2-pyrrolidinedicarboxylate1001353-87-240 % similar tert-Butyl 6-oxo-2-azaspiro(3.3)heptane-2-carboxylate1181816-12-540 % similar 1-[(tert-Butoxy)carbonyl]piperidine-2-carboxylic acid118552-55-940 % similar 1-Boc-2-benzyl-piperidin-4-one193480-28-340 % similar