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1,2-Bis(1,1-dimethylethyl) (2S)-4-oxo-1,2-pyrrolidinedicarboxylate166410-05-539 % similar [1-(tert-Butoxycarbonyl)azetidin-3-yl]acetic acid183062-96-639 % similar tert-Butyl 4-cyano-4-methylpiperidine-1-carboxylate530115-96-939 % similar 1,1-Dimethylethyl (2S)-2-formyl-1-pyrrolidinecarboxylate69610-41-939 % similar N-(tert-Butoxycarbonyl)-D-prolinal73365-02-339 % similar 3-(1,1-Dimethylethyl) (1α,5α,6α)-3-azabicyclo[3.1.0]hexane-3,6-dicarboxylate927679-54-739 % similar 2-((2R)-1-((tert-Butoxy)carbonyl)pyrrolidin-2-yl)acetic acid101555-60-638 % similar (S)-5-Boc-5-azaspiro[2.4]heptane-6-carboxylic acid1129634-44-138 % similar tert-Butyl 2-(hydroxymethyl)piperazine-1-carboxylate205434-75-938 % similar 4-(tert-Butoxycarbonyl)morpholine-3-carboxylic acid212650-43-638 % similar 1,1-Dimethylethyl (2S)-2-(aminocarbonyl)-1-pyrrolidinecarboxylate35150-07-338 % similar (S)-2-(1-BOC-2-pyrrolidinyl)acetic acid56502-01-338 % similar N-Boc-3,4-dehydro-L-proline methyl ester74844-93-238 % similar (S)-4-Methylene-pyrrolidine-1,2-dicarboxylic acid 1-tert-butyl ester84348-38-938 % similar 4-Boc-3(R)-morpholinecarboxylic acid869681-70-938 % similar trans-tert-Butyl 4-fluoro-3-hydroxypiperidine-1-carboxylate955028-82-738 % similar Boc-hyp(bzl)-oh54631-81-138 % similar tert-Butyl octahydropyrrolo(3,4-c)pyrrole-2-carboxylate141449-85-638 % similar cis-tert-Butyl 5-oxohexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate146231-54-138 % similar N-Boc-hexahydro-5-oxocyclopenta[C]pyrrole148404-28-838 % similar