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N-Boc-9-azabicyclo[3.3.1]nonan-3-one512822-27-441 % similar 1-Boc-3-oxopiperazine76003-29-741 % similar N-Boc-N-methylethylenediamine121492-06-640 % similar tert-Butyl 4,4-difluoropiperidine-1-carboxylate281652-10-640 % similar (2-Hydroxyethyl)methylcarbamic acid 1,1-dimethylethyl ester57561-39-440 % similar (R)-Boc-5-oxopyrrolidine-2-carboxylic acid160347-90-040 % similar 1-(1,1-Dimethylethyl) (2S)-5-oxo-1,2-pyrrolidinedicarboxylate53100-44-040 % similar 1-Boc-2-benzyl-piperidin-4-one193480-28-340 % similar 1,1-Dimethylethyl (2R)-2-(((2,5-dioxo-1-pyrrolidinyl)oxy)carbonyl)-1-pyrrolidinecarboxylate102185-34-240 % similar tert-Butyl succinimidyl carbonate13139-12-340 % similar 1,2-Bis(1,1-dimethylethyl) (2S)-4-oxo-1,2-pyrrolidinedicarboxylate166410-05-540 % similar N-Boc-3-methylene-piperidine276872-89-040 % similar 1-O-tert-Butyl 2-O-(2,5-dioxopyrrolidin-1-yl) (2S)-pyrrolidine-1,2-dicarboxylate3392-10-740 % similar 1-(1,1-Dimethylethyl) 2-methyl (2S)-5-oxo-1,2-pyrrolidinedicarboxylate108963-96-840 % similar tert-Butyl 4-hydroxypiperidine-1-carboxylate109384-19-240 % similar tert-Butyl 1-oxa-6-azaspiro(2.5)octane-6-carboxylate147804-30-640 % similar 4-Chloro-piperidine-1-carboxylic acid tert-butyl ester154874-94-940 % similar tert-Butyl 4-bromopiperidine-1-carboxylate180695-79-840 % similar 1,1-Dimethylethyl 3,8-diazabicyclo[3.2.1]octane-3-carboxylate201162-53-040 % similar 7-Boc-2-oxa-7-azaspiro[3.5]nonane240401-27-840 % similar