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1-(1,1-Dimethylethyl) 2-borono-1-pyrrolidinecarboxylate149682-75-738 % similar Boc-L-proline15761-39-438 % similar (2R)-1-[(tert-Butoxy)carbonyl]pyrrolidine-2-carboxylic acid37784-17-138 % similar (R)-tert-Butyl 2-(methoxymethyl)pyrrolidine-1-carboxylate578741-10-338 % similar 1-[(tert-Butoxy)carbonyl]pyrrolidine-2-carboxylic acid59433-50-038 % similar D-1-N-Boc-prolinamide70138-72-638 % similar 1-(1,1-Dimethylethyl) (2S)-4-oxo-1,2-pyrrolidinedicarboxylate84348-37-838 % similar 1-(tert-Butoxycarbonyl)-4-oxopyrrolidine-2-carboxylic acid876317-19-038 % similar tert-Butyl 6-hydroxy-2-azaspiro[3.3]heptane-2-carboxylate1147557-97-838 % similar tert-Butyl (2S)-2-(hydroxymethyl)azetidine-1-carboxylate161511-85-938 % similar tert-Butyl 2-(hydroxymethyl)azetidine-1-carboxylate174346-82-838 % similar Methyl 3,3,3-trifluoroalaninate27240-44-438 % similar 1-[(tert-Butoxy)carbonyl]piperidine-2-carboxylic acid118552-55-938 % similar tert-Butyl 4-(2-methoxy-2-oxoethyl)piperidine-1-carboxylate175213-46-438 % similar (2S)-1-((tert-Butoxy)carbonyl)piperidine-2-carboxylic acid26250-84-038 % similar (R)-(+)-N-Boc-2-piperidinecarboxylic acid28697-17-838 % similar (2S,4S)-N-Boc-4-methylpyrrolidine-2-carboxylic acid364750-81-238 % similar tert-Butyl 2-carbamoylpiperidine-1-carboxylate388077-74-538 % similar (S)-1-N-Boc-piperidine-2-carboxamide78058-41-038 % similar N-Boc-2-piperidinecarboxylic acid98303-20-938 % similar