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4-tert-Butyl hydrogen L-aspartate3057-74-737 % similar (2R)-2-Amino-4-(tert-butoxy)-4-oxobutanoic acid64960-75-437 % similar tert-Butyl 2,6-Diazaspiro(3.3)heptane-2-carboxylate Hemioxalate1041026-71-437 % similar 1-Boc-piperazine acetate143238-38-437 % similar 1,1-Dimethylethyl 2-cyano-1-pyrrolidinecarboxylate144688-70-037 % similar [1-(tert-Butoxycarbonyl)piperidin-4-yl]acetic acid157688-46-537 % similar Hexahydro-pyrrolo[3,4-B]pyrrole-1-carboxylic acid tert-butyl ester185693-02-137 % similar tert-Butyl 3-fluoro-4-oxopiperidine-1-carboxylate211108-50-837 % similar (S)-1-Boc-2-cyanopyrrolidine228244-04-037 % similar (R)-1-Boc-2-cyanopyrrolidine228244-20-037 % similar 2-(Aminomethyl)-1-boc-piperidine370069-31-137 % similar (R)-tert-Butyl 2-(methoxymethyl)pyrrolidine-1-carboxylate578741-10-337 % similar (S)-1-Boc-2-isopropylpiperazine674792-05-337 % similar (R)-2-Aminomethyl-1-N-boc-piperidine683233-14-937 % similar 1-tert-Butyl 2-methyl (2S,4R)-4-aminopyrrolidine-1,2-dicarboxylate121148-00-336 % similar 1-(1,1-Dimethylethyl) 2-methyl 1,2-piperazinedicarboxylate129799-15-136 % similar 1-tert-Butyl 2-methyl (2R,4S)-4-aminopyrrolidine-1,2-dicarboxylate254881-77-136 % similar (S)-1-N-Boc-piperazine-2-carboxylic acid methyl ester796096-64-536 % similar 1-tert-Butyl 2-methyl 4-oxopiperidine-1,2-dicarboxylate81357-18-836 % similar 1,1-Dimethylethyl 1-pyrrolidinecarboxylate86953-79-936 % similar