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tert-Butyl 2-oxo-7-azaspiro[3.5]nonane-7-carboxylate203661-69-241 % similar 1-Boc-4-(hydroxymethyl)-4-methyl-piperidine236406-21-641 % similar 2-(tert-Butoxycarbonyl)-2,7-diazaspiro[3.5]nonane236406-55-641 % similar tert-Butyl 4-(2-hydroxyethyl)piperazine-1-carboxylate77279-24-441 % similar tert-Butyl 2,7-diazaspiro[3.5]nonane-7-carboxylate896464-16-741 % similar tert-Butyl 4-(2-ethoxy-2-oxoethylidene)piperidine-1-carboxylate135716-08-441 % similar N-Boc-(methylamino)acetaldehyde123387-72-440 % similar 1-Boc-piperidine-3-carboxaldehyde118156-93-740 % similar 1,1-Dimethylethyl 2-cyano-1-pyrrolidinecarboxylate144688-70-040 % similar tert-Butyl 4-carbamothioylpiperidine-1-carboxylate214834-18-140 % similar (S)-1-Boc-2-cyanopyrrolidine228244-04-040 % similar (R)-1-Boc-2-cyanopyrrolidine228244-20-040 % similar 1,1-Dimethylethyl 4-(chlorosulfonyl)-1-piperidinecarboxylate782501-25-140 % similar 1,1-Dimethylethyl 3-(aminomethyl)-3-hydroxy-1-azetidinecarboxylate1008526-71-340 % similar (S)-3-Hydroxypyrrolidine-1-carboxylic acid tert-butyl ester101469-92-540 % similar 3-Hydroxypyrrolidine-1-carboxylic acid tert-butyl ester103057-44-940 % similar tert-Butyl3-((methylamino)methyl)azetidine-1-carboxylate1049730-81-540 % similar tert-Butyl (3R)-3-hydroxypyrrolidine-1-carboxylate109431-87-040 % similar tert-Butyl 6-hydroxy-2-azaspiro[3.3]heptane-2-carboxylate1147557-97-840 % similar tert-Butyl 6-amino-2-azaspiro[3.3]heptane-2-carboxylate1211586-09-240 % similar