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1-Boc-4-spiro-[3-(2-pyrrolidinone)] piperidine268550-48-747 % similar tert-Butyl 4-(2-Bromoacetyl)piperidine-1-carboxylate301221-79-447 % similar 3-Oxo-1-oxa-8-aza-spiro[4.5]decane-8-carboxylic acid tert-butyl ester954236-44-347 % similar (S)-3-Hydroxypyrrolidine-1-carboxylic acid tert-butyl ester101469-92-547 % similar 3-Hydroxypyrrolidine-1-carboxylic acid tert-butyl ester103057-44-947 % similar tert-Butyl (3R)-3-hydroxypyrrolidine-1-carboxylate109431-87-047 % similar tert-Butyl 6-amino-2-azaspiro[3.3]heptane-2-carboxylate1211586-09-247 % similar 1-Boc-4-methylaminopiperidine147539-41-147 % similar 4-Acetyl-piperidine-1-carboxylic acid tert-butyl ester206989-61-947 % similar 1,1-Dimethylethyl 2,4-dioxo-1,3,8-triazaspiro[4.5]decane-8-carboxylate183673-70-346 % similar 4-tert-Butoxycarbonylamino-piperidine-1,4-dicarboxylic acid mono-tert-butyl ester189321-65-146 % similar tert-Butyl 4-(2-methoxy-2-oxoethyl)piperidine-1-carboxylate175213-46-446 % similar Ethyl N-boc-4-methylpiperidine-4-carboxylate189442-87-346 % similar tert-Butyl (3R)-3-(hydroxymethyl)morpholine-4-carboxylate215917-99-046 % similar (S)-tert-Butyl 3-(hydroxymethyl)morpholine-4-carboxylate714971-28-546 % similar 4-Boc-1-piperazineacetic acid156478-71-646 % similar [1-(tert-Butoxycarbonyl)azetidin-3-yl]acetic acid183062-96-646 % similar 1-Boc-4-ethynylpiperidine287192-97-646 % similar 1-(tert-Butoxycarbonyl)piperidine-4-carboxamide91419-48-646 % similar tert-Butyl 4-cyanopiperidine-1-carboxylate91419-52-246 % similar