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tert-Butyl 3-iodoazetidine-1-carboxylate254454-54-140 % similar 7-Boc-3-oxa-7,9-diazabicyclo[3.3.1]nonane864448-41-939 % similar 3-Oxo-azetidine-1-carboxylic acid tert-butyl ester398489-26-439 % similar N-(tert-Butoxycarbonyl)-2,5-dihydro-1H-pyrrole73286-70-139 % similar 1,1-Dimethylethyl 1-piperidinecarboxylate75844-69-839 % similar 4-[(Methylsulfonyl)oxy]piperidine-1-carboxylic acid tert-butyl ester141699-59-439 % similar tert-Butyl 3,8-diazabicyclo[3.2.1]octane-8-carboxylate149771-44-839 % similar tert-Butyl 3-formylazetidine-1-carboxylate177947-96-539 % similar tert-Butyl 3-methoxyazetidine-1-carboxylate429669-07-839 % similar 1,1-Dimethylethyl 2-oxo-1-pyrrolidinecarboxylate85909-08-639 % similar 3,6-Diazabicyclo[3.1.1]heptane-6-carboxylic acid tert-butyl ester869494-16-639 % similar tert-Butyl 4-hydroxypiperidine-1-carboxylate109384-19-238 % similar tert-Butyl octahydropyrrolo(3,4-c)pyrrole-2-carboxylate141449-85-638 % similar 1-Boc-azetidine-3-ylmethanol142253-56-338 % similar cis-tert-Butyl 5-oxohexahydrocyclopenta[c]pyrrole-2(1H)-carboxylate146231-54-138 % similar N-Boc-hexahydro-5-oxocyclopenta[C]pyrrole148404-28-838 % similar 4-Chloro-piperidine-1-carboxylic acid tert-butyl ester154874-94-938 % similar tert-Butyl 4-bromopiperidine-1-carboxylate180695-79-838 % similar N-Boc-nortropinone185099-67-638 % similar 1,1-Dimethylethyl 3,8-diazabicyclo[3.2.1]octane-3-carboxylate201162-53-038 % similar