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(R)-Boc-5-oxopyrrolidine-2-carboxylic acid160347-90-036 % similar 1-(1,1-Dimethylethyl) (3R)-1,3-piperidinedicarboxylate163438-09-336 % similar N-Boc-L-trans-4,5-methanoproline197142-34-036 % similar (2S)-1-((tert-Butoxy)carbonyl)piperidine-2-carboxylic acid26250-84-036 % similar (R)-(+)-N-Boc-2-piperidinecarboxylic acid28697-17-836 % similar (2S,4S)-N-Boc-4-methylpyrrolidine-2-carboxylic acid364750-81-236 % similar Boc-3,4-dehydro-pro-oh51154-06-436 % similar 1-(1,1-Dimethylethyl) (2S)-5-oxo-1,2-pyrrolidinedicarboxylate53100-44-036 % similar 1-((tert-Butoxy)carbonyl)piperidine-3-carboxylic acid71381-75-436 % similar 1-Boc-3-piperidinecarboxylic acid84358-12-336 % similar L-1-Boc-nipecotic acid88495-54-936 % similar N-Boc-2-piperidinecarboxylic acid98303-20-936 % similar 1,5,5-Trimethyl-2,4-imidazolidinedione6851-81-636 % similar 3-Oxopyrrolidine-1-carboxylic acid tert-butyl ester101385-93-736 % similar 1,1-Dimethylethyl 2,6-diazaspiro[3.3]heptane-2-carboxylate1041026-70-336 % similar tert-Butyl 6-oxo-2-azaspiro(3.3)heptane-2-carboxylate1181816-12-536 % similar tert-Butyl 3,8-diazabicyclo[3.2.1]octane-8-carboxylate149771-44-836 % similar tert-Butyl 3-formylazetidine-1-carboxylate177947-96-536 % similar tert-Butyl 4,4-difluoropiperidine-1-carboxylate281652-10-636 % similar tert-Butyl 3-methoxyazetidine-1-carboxylate429669-07-836 % similar