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tert-Butyl 4-cyanopiperidine-1-carboxylate91419-52-243 % similar 1,1-Dimethylethyl (2R)-2-(((2,5-dioxo-1-pyrrolidinyl)oxy)carbonyl)-1-pyrrolidinecarboxylate102185-34-243 % similar 1-O-tert-Butyl 2-O-(2,5-dioxopyrrolidin-1-yl) (2S)-pyrrolidine-1,2-dicarboxylate3392-10-743 % similar tert-Butyl octahydropyrrolo(3,4-c)pyrrole-2-carboxylate141449-85-643 % similar 1-Boc-azetidine-3-ylmethanol142253-56-343 % similar cis-tert-Butyl 5-oxohexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate146231-54-143 % similar N-Boc-hexahydro-5-oxocyclopenta[C]pyrrole148404-28-843 % similar cis-2-Boc-hexahydropyrrolo[3,4-C]pyrrole250275-15-143 % similar (-)-Ethyl nipecotate25137-01-343 % similar 1-Boc-3-(aminomethyl)azetidine325775-44-843 % similar Ethyl 3-oxocyclohexanecarboxylate33668-25-643 % similar (+)-Ethyl nipecotate37675-18-643 % similar 1-Boc-3-methylaminoazetidine454703-20-943 % similar Ethyl nipecotate5006-62-243 % similar Ethyl nipecotate71962-74-843 % similar 1-tert-Butyl 2-methyl piperidine-1,2-dicarboxylate167423-93-042 % similar 4-Boc-2-morpholinecarboxylic acid189321-66-242 % similar (R)-3-Hydroxymethyl-piperazine-1-carboxylic acid tert-butyl ester278788-66-242 % similar 4-N-Boc-2-hydroxymethylpiperazine301673-16-542 % similar 1,1-Dimethylethyl (3S)-3-(hydroxymethyl)-1-piperazinecarboxylate314741-40-742 % similar