4-Boc-1-piperazineacetic acid156478-71-6100 % similar Tri-tert-butyl 1 4 7 10-tetraazacyclodod137076-54-168 % similar [1-(tert-Butoxycarbonyl)piperidin-4-yl]acetic acid157688-46-561 % similar [(tert-Butoxycarbonyl)(methyl)amino]acetic acid13734-36-661 % similar 3-(1-((tert-Butoxy)carbonyl)piperidin-4-yl)propanoic acid154775-43-660 % similar 2-(4-Amino-1-(tert-butoxycarbonyl)piperidin-4-YL)acetic acid1159983-30-858 % similar N-Boc-piperazine57260-71-657 % similar [1-(tert-Butoxycarbonyl)azetidin-3-yl]acetic acid183062-96-656 % similar 1,1-Dimethylethyl 1-piperidinecarboxylate75844-69-856 % similar 1-Boc-pyrrolidine-3-acetic acid175526-97-355 % similar (R)-3-Carboxymethyl-pyrrolidine-1-carboxylic acid tert-butyl ester204688-60-855 % similar (3S)-1-[(1,1-Dimethylethoxy)carbonyl]-3-pyrrolidineacetic acid204688-61-955 % similar 1-Boc-piperazine acetate143238-38-453 % similar Dota (chelator)60239-18-153 % similar tert-Butyl 4-oxopiperidine-1-carboxylate79099-07-353 % similar 1-(tert-Butoxycarbonyl)-4-piperidinecarboxylic acid174316-71-352 % similar 1-Boc-4-methylpiperidine-4-carboxylic acid189321-63-952 % similar N-Boc-3-piperidineacetic acid183483-09-252 % similar Pentetic acid67-43-652 % similar Triethylenetetraminehexaacetic acid869-52-352 % similar